0x10/0x10
[ 454.177530][ T7164] ? find_held_lock+0x2b/0x80
[ 454.177571][ T7164] ? srso_alias_return_thunk+0x5/0xfbef5
[ 454.177605][ T7164] ? do_raw_spin_unlock+0x145/0x1e0
[ 454.177635][ T7164] ? srso_alias_return_thunk+0x5/0xfbef5
[ 454.177670][ T7164] ? _raw_spin_unlock+0x28/0x50
[ 454.177704][ T7164] try_charge_memcg+0x6e1/0xdf0
[ 454.177755][ T7164] ? __pfx_try_charge_memcg+0x10/0x10
[ 454.177799][ T7164] ? srso_alias_return_thunk+0x5/0xfbef5
[ 454.177834][ T7164] ? find_held_lock+0x2b/0x80
[ 454.177866][ T7164] ? rcu_read_unlock+0x17/0x60
[ 454.177918][ T7164] ? rcu_read_unlock+0x17/0x60
[ 454.177961][ T7164] ? srso_alias_return_thunk+0x5/0xfbef5
[ 454.178009][ T7164] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 454.178067][ T7164] ? srso_alias_return_thunk+0x5/0xfbef5
[ 454.178105][ T7164] ? kasan_save_track+0x14/0x30
[ 454.178144][ T7164] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 454.178182][ T7164] ? __d_alloc+0x35/0xa50
[ 454.178230][ T7164] __d_alloc+0x35/0xa50
[ 454.178275][ T7164] d_alloc+0x4a/0x1e0
[ 454.178319][ T7164] lookup_one_qstr_excl+0x171/0x250
[ 454.178369][ T7164] start_dirop+0x59/0xb0
[ 454.178406][ T7164] simple_start_creating+0xf9/0x110
[ 454.178444][ T7164] ? __pfx_simple_start_creating+0x10/0x10
[ 454.178481][ T7164] ? srso_alias_return_thunk+0x5/0xfbef5
[ 454.178517][ T7164] ? mntput+0x70/0xa0
[ 454.178551][ T7164] ? srso_alias_return_thunk+0x5/0xfbef5
[ 454.178585][ T7164] ? simple_pin_fs+0xa3/0x190
[ 454.178621][ T7164] tracefs_start_creating+0x69/0x140
[ 454.178666][ T7164] tracefs_create_file+0x99/0x770
[ 454.178712][ T7164] trace_create_file+0x33/0x60
[ 454.178755][ T7164] create_event_toplevel_files+0xaa/0x1a0
[ 454.178803][ T7164] event_trace_add_tracer+0x72/0x260
[ 454.178843][ T7164] trace_array_create_dir+0x8e/0x210
[ 454.178895][ T7164] trace_array_create_systems+0x8b3/0xc30
[ 454.178941][ T7164] instance_mkdir+0xca/0x140
[ 454.178983][ T7164] tracefs_syscall_mkdir+0x10e/0x180
[ 454.179022][ T7164] ? srso_alias_return_thunk+0x5/0xfbef5
[ 454.179059][ T7164] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 454.179111][ T7164] ? srso_alias_return_thunk+0x5/0xfbef5
[ 454.179152][ T7164] vfs_mkdir+0x364/0x850
[ 454.179185][ T7164] filename_mkdirat+0x48b/0x5e0
[ 454.179230][ T7164] ? __pfx_filename_mkdirat+0x10/0x10
[ 454.179270][ T7164] ? strncpy_from_user+0x19d/0x2d0
[ 454.179311][ T7164] ? srso_alias_return_thunk+0x5/0xfbef5
[ 454.179346][ T7164] ? do_getname+0x191/0x390
[ 454.179395][ T7164] __x64_sys_mkdirat+0x89/0xc0
[ 454.179435][ T7164] do_syscall_64+0x123/0x790
[ 454.179476][ T7164] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 454.179507][ T7164] RIP: 0033:0x7f677999e0d9
[ 454.179531][ T7164] 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
[ 454.179559][ T7164] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 454.179587][ T7164] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 454.179607][ T7164] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 454.179626][ T7164] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 454.179644][ T7164] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 454.179662][ T7164] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 454.179701][ T7164]
[ 454.179737][ T7164] memory: usage 8kB, limit 8kB, failcnt 49685
[ 454.575272][ T7164] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 454.583746][ T7164] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 454.591139][ T7164] Memory cgroup stats for /syz0/test:
[ 454.591339][ T7164] cache 0
[ 454.599746][ T7164] rss 0
[ 454.602503][ T7164] rss_huge 0
[ 454.606127][ T7164] shmem 0
[ 454.609189][ T7164] mapped_file 0
[ 454.612674][ T7164] dirty 0
[ 454.615690][ T7164] writeback 0
[ 454.619000][ T7164] workingset_refault_anon 0
[ 454.623506][ T7164] workingset_refault_file 0
[ 454.628187][ T7164] swap 0
[ 454.631046][ T7164] swapcached 81920
[ 454.634755][ T7164] pgpgin 20
[ 454.638048][ T7164] pgpgout 20
[ 454.641272][ T7164] pgfault 380
[ 454.644545][ T7164] pgmajfault 0
[ 454.647969][ T7164] inactive_anon 0
[ 454.651603][ T7164] active_anon 0
[ 454.655053][ T7164] inactive_file 0
[ 454.658752][ T7164] active_file 0
[ 454.662210][ T7164] unevictable 0
[ 454.665727][ T7164] hierarchical_memory_limit 8192
[ 454.670667][ T7164] hierarchical_memsw_limit 9223372036854771712
[ 454.676877][ T7164] total_cache 0
[ 454.680429][ T7164] total_rss 0
[ 454.684058][ T7164] total_rss_huge 0
[ 454.687867][ T7164] total_shmem 0
[ 454.691454][ T7164] total_mapped_file 0
[ 454.695451][ T7164] total_dirty 0
[ 454.698966][ T7164] total_writeback 0
[ 454.702784][ T7164] total_workingset_refault_anon 0
[ 454.707871][ T7164] total_workingset_refault_file 0
[ 454.712904][ T7164] total_swap 0
[ 454.716417][ T7164] total_swapcached 81920
[ 454.720665][ T7164] total_pgpgin 20
[ 454.724291][ T7164] total_pgpgout 20
[ 454.728081][ T7164] total_pgfault 380
[ 454.731888][ T7164] total_pgmajfault 0
[ 454.735827][ T7164] total_inactive_anon 0
[ 454.739980][ T7164] total_active_anon 0
[ 454.743969][ T7164] total_inactive_file 0
[ 454.748944][ T7164] total_active_file 0
[ 454.752961][ T7164] total_unevictable 0
[ 454.757009][ T7164] anon_cost 0
[ 454.760306][ T7164] file_cost 0
[ 454.763593][ T7164] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.403,pid=7163,uid=0
[ 454.779349][ T7164] Memory cgroup out of memory: Killed process 7163 (syz.0.403) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 454.813442][ T7164] Could not create tracefs 'show_event_filters' entry
[ 454.853196][ T7164] Could not create tracefs 'show_event_triggers' entry
[ 454.896488][ T7164] Could not create tracefs 'set_event_pid' entry
[ 454.933824][ T7164] Could not create tracefs 'set_event_notrace_pid' entry
[ 454.971756][ T7164] Could not create tracefs 'events' directory
2026/08/24 15:50:35 executed programs: 389
[ 455.079620][ T7166] syz.0.404 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 455.090011][ T7166] CPU: 0 UID: 0 PID: 7166 Comm: syz.0.404 Not tainted syzkaller #0 PREEMPT(full)
[ 455.090059][ T7166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 455.090084][ T7166] Call Trace:
[ 455.090098][ T7166]
[ 455.090112][ T7166] dump_stack_lvl+0x100/0x190
[ 455.090171][ T7166] dump_header+0xfb/0x606
[ 455.090217][ T7166] oom_kill_process.cold+0xd/0x380
[ 455.090265][ T7166] out_of_memory+0x340/0x14f0
[ 455.090332][ T7166] ? __pfx_out_of_memory+0x10/0x10
[ 455.090393][ T7166] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.090453][ T7166] mem_cgroup_out_of_memory+0xc6/0x130
[ 455.090499][ T7166] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 455.090543][ T7166] ? find_held_lock+0x2b/0x80
[ 455.090596][ T7166] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.090643][ T7166] ? do_raw_spin_unlock+0x145/0x1e0
[ 455.090682][ T7166] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.090729][ T7166] ? _raw_spin_unlock+0x28/0x50
[ 455.090775][ T7166] try_charge_memcg+0x6e1/0xdf0
[ 455.090844][ T7166] ? __pfx_try_charge_memcg+0x10/0x10
[ 455.090902][ T7166] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.090949][ T7166] ? find_held_lock+0x2b/0x80
[ 455.090992][ T7166] ? rcu_read_unlock+0x17/0x60
[ 455.091056][ T7166] ? rcu_read_unlock+0x17/0x60
[ 455.091114][ T7166] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.091175][ T7166] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 455.091250][ T7166] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.091296][ T7166] ? kasan_save_track+0x14/0x30
[ 455.091347][ T7166] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 455.091402][ T7166] ? tracefs_alloc_inode+0x2c/0x140
[ 455.091458][ T7166] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 455.091516][ T7166] tracefs_alloc_inode+0x2c/0x140
[ 455.091567][ T7166] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 455.091623][ T7166] alloc_inode+0x68/0x250
[ 455.091663][ T7166] new_inode+0x22/0x1c0
[ 455.091704][ T7166] tracefs_create_file+0xeb/0x770
[ 455.091767][ T7166] trace_create_file+0x33/0x60
[ 455.091825][ T7166] create_event_toplevel_files+0xc8/0x1a0
[ 455.091887][ T7166] event_trace_add_tracer+0x72/0x260
[ 455.091943][ T7166] trace_array_create_dir+0x8e/0x210
[ 455.092007][ T7166] trace_array_create_systems+0x8b3/0xc30
[ 455.092070][ T7166] instance_mkdir+0xca/0x140
[ 455.092125][ T7166] tracefs_syscall_mkdir+0x10e/0x180
[ 455.092178][ T7166] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.092228][ T7166] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 455.092297][ T7166] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.092352][ T7166] vfs_mkdir+0x364/0x850
[ 455.092401][ T7166] filename_mkdirat+0x48b/0x5e0
[ 455.092461][ T7166] ? __pfx_filename_mkdirat+0x10/0x10
[ 455.092515][ T7166] ? strncpy_from_user+0x19d/0x2d0
[ 455.092570][ T7166] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.092617][ T7166] ? do_getname+0x191/0x390
[ 455.092681][ T7166] __x64_sys_mkdirat+0x89/0xc0
[ 455.092736][ T7166] do_syscall_64+0x123/0x790
[ 455.092791][ T7166] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 455.092831][ T7166] RIP: 0033:0x7f677999e0d9
[ 455.092861][ T7166] 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
[ 455.092900][ T7166] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 455.092937][ T7166] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 455.092964][ T7166] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 455.092990][ T7166] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 455.093015][ T7166] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 455.093039][ T7166] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 455.093090][ T7166]
[ 455.093564][ T7166] memory: usage 8kB, limit 8kB, failcnt 49865
[ 455.461470][ T7166] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 455.469045][ T7166] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 455.476036][ T7166] Memory cgroup stats for /syz0/test:
[ 455.476226][ T7166] cache 0
[ 455.484518][ T7166] rss 0
[ 455.489247][ T7166] rss_huge 0
[ 455.492437][ T7166] shmem 0
[ 455.495499][ T7166] mapped_file 0
[ 455.499025][ T7166] dirty 0
[ 455.502313][ T7166] writeback 0
[ 455.506216][ T7166] workingset_refault_anon 0
[ 455.510820][ T7166] workingset_refault_file 0
[ 455.515370][ T7166] swap 0
[ 455.518292][ T7166] swapcached 81920
[ 455.522083][ T7166] pgpgin 20
[ 455.525193][ T7166] pgpgout 20
[ 455.528471][ T7166] pgfault 382
[ 455.531761][ T7166] pgmajfault 0
[ 455.535120][ T7166] inactive_anon 0
[ 455.538796][ T7166] active_anon 0
[ 455.542353][ T7166] inactive_file 0
[ 455.546163][ T7166] active_file 0
[ 455.549649][ T7166] unevictable 0
[ 455.553092][ T7166] hierarchical_memory_limit 8192
[ 455.558062][ T7166] hierarchical_memsw_limit 9223372036854771712
[ 455.564236][ T7166] total_cache 0
[ 455.567850][ T7166] total_rss 0
[ 455.571166][ T7166] total_rss_huge 0
[ 455.574873][ T7166] total_shmem 0
[ 455.578380][ T7166] total_mapped_file 0
[ 455.582399][ T7166] total_dirty 0
[ 455.585930][ T7166] total_writeback 0
[ 455.589743][ T7166] total_workingset_refault_anon 0
[ 455.594755][ T7166] total_workingset_refault_file 0
[ 455.599906][ T7166] total_swap 0
[ 455.603703][ T7166] total_swapcached 81920
[ 455.608010][ T7166] total_pgpgin 20
[ 455.611646][ T7166] total_pgpgout 20
[ 455.615370][ T7166] total_pgfault 382
[ 455.619242][ T7166] total_pgmajfault 0
[ 455.623138][ T7166] total_inactive_anon 0
[ 455.627347][ T7166] total_active_anon 0
[ 455.631343][ T7166] total_inactive_file 0
[ 455.635513][ T7166] total_active_file 0
[ 455.639574][ T7166] total_unevictable 0
[ 455.643562][ T7166] anon_cost 0
[ 455.646905][ T7166] file_cost 0
[ 455.650192][ T7166] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.404,pid=7165,uid=0
[ 455.665888][ T7166] Memory cgroup out of memory: Killed process 7165 (syz.0.404) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 455.694900][ T7166] Could not create tracefs 'show_event_triggers' entry
[ 455.728236][ T7166] Could not create tracefs 'set_event_pid' entry
[ 455.759725][ T7166] Could not create tracefs 'set_event_notrace_pid' entry
[ 455.791205][ T7166] Could not create tracefs 'events' directory
[ 455.871272][ T7168] syz.0.405 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 455.881290][ T7168] CPU: 0 UID: 0 PID: 7168 Comm: syz.0.405 Not tainted syzkaller #0 PREEMPT(full)
[ 455.881325][ T7168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 455.881343][ T7168] Call Trace:
[ 455.881354][ T7168]
[ 455.881365][ T7168] dump_stack_lvl+0x100/0x190
[ 455.881417][ T7168] dump_header+0xfb/0x606
[ 455.881452][ T7168] oom_kill_process.cold+0xd/0x380
[ 455.881488][ T7168] out_of_memory+0x340/0x14f0
[ 455.881538][ T7168] ? __pfx_out_of_memory+0x10/0x10
[ 455.881579][ T7168] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.881625][ T7168] mem_cgroup_out_of_memory+0xc6/0x130
[ 455.881659][ T7168] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 455.881691][ T7168] ? find_held_lock+0x2b/0x80
[ 455.881731][ T7168] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.881766][ T7168] ? do_raw_spin_unlock+0x145/0x1e0
[ 455.881796][ T7168] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.881831][ T7168] ? _raw_spin_unlock+0x28/0x50
[ 455.881865][ T7168] try_charge_memcg+0x6e1/0xdf0
[ 455.881915][ T7168] ? __pfx_try_charge_memcg+0x10/0x10
[ 455.881959][ T7168] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.881993][ T7168] ? find_held_lock+0x2b/0x80
[ 455.882025][ T7168] ? rcu_read_unlock+0x17/0x60
[ 455.882069][ T7168] ? rcu_read_unlock+0x17/0x60
[ 455.882111][ T7168] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.882158][ T7168] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 455.882215][ T7168] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.882250][ T7168] ? kasan_save_track+0x14/0x30
[ 455.882289][ T7168] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 455.882326][ T7168] ? tracefs_alloc_inode+0x2c/0x140
[ 455.882369][ T7168] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 455.882419][ T7168] tracefs_alloc_inode+0x2c/0x140
[ 455.882459][ T7168] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 455.882501][ T7168] alloc_inode+0x68/0x250
[ 455.882531][ T7168] new_inode+0x22/0x1c0
[ 455.882562][ T7168] tracefs_create_file+0xeb/0x770
[ 455.882609][ T7168] trace_create_file+0x33/0x60
[ 455.882652][ T7168] create_event_toplevel_files+0xaa/0x1a0
[ 455.882702][ T7168] event_trace_add_tracer+0x72/0x260
[ 455.882743][ T7168] trace_array_create_dir+0x8e/0x210
[ 455.882790][ T7168] trace_array_create_systems+0x8b3/0xc30
[ 455.882837][ T7168] instance_mkdir+0xca/0x140
[ 455.882878][ T7168] tracefs_syscall_mkdir+0x10e/0x180
[ 455.882917][ T7168] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.882955][ T7168] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 455.883007][ T7168] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.883047][ T7168] vfs_mkdir+0x364/0x850
[ 455.883081][ T7168] filename_mkdirat+0x48b/0x5e0
[ 455.883124][ T7168] ? __pfx_filename_mkdirat+0x10/0x10
[ 455.883165][ T7168] ? strncpy_from_user+0x19d/0x2d0
[ 455.883206][ T7168] ? srso_alias_return_thunk+0x5/0xfbef5
[ 455.883241][ T7168] ? do_getname+0x191/0x390
[ 455.883289][ T7168] __x64_sys_mkdirat+0x89/0xc0
[ 455.883329][ T7168] do_syscall_64+0x123/0x790
[ 455.883370][ T7168] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 455.883415][ T7168] RIP: 0033:0x7f677999e0d9
[ 455.883441][ T7168] 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
[ 455.883470][ T7168] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 455.883497][ T7168] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 455.883517][ T7168] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 455.883536][ T7168] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 455.883554][ T7168] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 455.883572][ T7168] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 455.883614][ T7168]
[ 455.883658][ T7168] memory: usage 8kB, limit 8kB, failcnt 50012
[ 456.252155][ T7168] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 456.260038][ T7168] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 456.268579][ T7168] Memory cgroup stats for /syz0/test:
[ 456.268793][ T7168] cache 0
[ 456.277467][ T7168] rss 0
[ 456.280284][ T7168] rss_huge 0
[ 456.283528][ T7168] shmem 0
[ 456.286522][ T7168] mapped_file 0
[ 456.289982][ T7168] dirty 0
[ 456.292909][ T7168] writeback 0
[ 456.296369][ T7168] workingset_refault_anon 0
[ 456.300878][ T7168] workingset_refault_file 0
[ 456.305374][ T7168] swap 0
[ 456.308255][ T7168] swapcached 81920
[ 456.311994][ T7168] pgpgin 20
[ 456.315092][ T7168] pgpgout 20
[ 456.318326][ T7168] pgfault 382
[ 456.321968][ T7168] pgmajfault 0
[ 456.325344][ T7168] inactive_anon 0
[ 456.329028][ T7168] active_anon 0
[ 456.332487][ T7168] inactive_file 0
[ 456.336159][ T7168] active_file 0
[ 456.339638][ T7168] unevictable 0
[ 456.343084][ T7168] hierarchical_memory_limit 8192
[ 456.348103][ T7168] hierarchical_memsw_limit 9223372036854771712
[ 456.354260][ T7168] total_cache 0
[ 456.357875][ T7168] total_rss 0
[ 456.361200][ T7168] total_rss_huge 0
[ 456.364915][ T7168] total_shmem 0
[ 456.368408][ T7168] total_mapped_file 0
[ 456.372392][ T7168] total_dirty 0
[ 456.375907][ T7168] total_writeback 0
[ 456.379720][ T7168] total_workingset_refault_anon 0
[ 456.384735][ T7168] total_workingset_refault_file 0
[ 456.389828][ T7168] total_swap 0
[ 456.393290][ T7168] total_swapcached 81920
[ 456.397588][ T7168] total_pgpgin 20
[ 456.401236][ T7168] total_pgpgout 20
[ 456.404968][ T7168] total_pgfault 382
[ 456.408870][ T7168] total_pgmajfault 0
[ 456.412782][ T7168] total_inactive_anon 0
[ 456.416994][ T7168] total_active_anon 0
[ 456.420976][ T7168] total_inactive_file 0
[ 456.425480][ T7168] total_active_file 0
[ 456.429522][ T7168] total_unevictable 0
[ 456.433503][ T7168] anon_cost 0
[ 456.436829][ T7168] file_cost 0
[ 456.440141][ T7168] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.405,pid=7167,uid=0
[ 456.455835][ T7168] Memory cgroup out of memory: Killed process 7167 (syz.0.405) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 456.484691][ T7168] Could not create tracefs 'show_event_filters' entry
[ 456.520164][ T7168] Could not create tracefs 'show_event_triggers' entry
[ 456.551379][ T7168] Could not create tracefs 'set_event_notrace_pid' entry
[ 456.581569][ T7168] Could not create tracefs 'events' directory
[ 456.662584][ T7170] syz.0.406 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 456.672540][ T7170] CPU: 1 UID: 0 PID: 7170 Comm: syz.0.406 Not tainted syzkaller #0 PREEMPT(full)
[ 456.672575][ T7170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 456.672593][ T7170] Call Trace:
[ 456.672603][ T7170]
[ 456.672614][ T7170] dump_stack_lvl+0x100/0x190
[ 456.672657][ T7170] dump_header+0xfb/0x606
[ 456.672692][ T7170] oom_kill_process.cold+0xd/0x380
[ 456.672728][ T7170] out_of_memory+0x340/0x14f0
[ 456.672777][ T7170] ? __pfx_out_of_memory+0x10/0x10
[ 456.672819][ T7170] ? __pfx___schedule+0x10/0x10
[ 456.672859][ T7170] mem_cgroup_out_of_memory+0xc6/0x130
[ 456.672893][ T7170] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 456.672925][ T7170] ? preempt_schedule_common+0x3c/0xb0
[ 456.672967][ T7170] ? srso_alias_return_thunk+0x5/0xfbef5
[ 456.673002][ T7170] ? _raw_spin_unlock+0x3e/0x50
[ 456.673035][ T7170] try_charge_memcg+0x6e1/0xdf0
[ 456.673085][ T7170] ? __pfx_try_charge_memcg+0x10/0x10
[ 456.673128][ T7170] ? srso_alias_return_thunk+0x5/0xfbef5
[ 456.673162][ T7170] ? find_held_lock+0x2b/0x80
[ 456.673195][ T7170] ? rcu_read_unlock+0x17/0x60
[ 456.673239][ T7170] ? rcu_read_unlock+0x17/0x60
[ 456.673282][ T7170] ? srso_alias_return_thunk+0x5/0xfbef5
[ 456.673329][ T7170] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 456.673391][ T7170] ? srso_alias_return_thunk+0x5/0xfbef5
[ 456.673426][ T7170] ? kasan_save_track+0x14/0x30
[ 456.673464][ T7170] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 456.673502][ T7170] ? tracefs_alloc_inode+0x2c/0x140
[ 456.673546][ T7170] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 456.673588][ T7170] tracefs_alloc_inode+0x2c/0x140
[ 456.673627][ T7170] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 456.673669][ T7170] alloc_inode+0x68/0x250
[ 456.673697][ T7170] new_inode+0x22/0x1c0
[ 456.673729][ T7170] tracefs_create_file+0xeb/0x770
[ 456.673776][ T7170] trace_create_file+0x33/0x60
[ 456.673819][ T7170] create_event_toplevel_files+0xc8/0x1a0
[ 456.673866][ T7170] event_trace_add_tracer+0x72/0x260
[ 456.673907][ T7170] trace_array_create_dir+0x8e/0x210
[ 456.673954][ T7170] trace_array_create_systems+0x8b3/0xc30
[ 456.674001][ T7170] instance_mkdir+0xca/0x140
[ 456.674042][ T7170] tracefs_syscall_mkdir+0x10e/0x180
[ 456.674081][ T7170] ? srso_alias_return_thunk+0x5/0xfbef5
[ 456.674118][ T7170] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 456.674170][ T7170] ? srso_alias_return_thunk+0x5/0xfbef5
[ 456.674210][ T7170] vfs_mkdir+0x364/0x850
[ 456.674244][ T7170] filename_mkdirat+0x48b/0x5e0
[ 456.674288][ T7170] ? __pfx_filename_mkdirat+0x10/0x10
[ 456.674328][ T7170] ? strncpy_from_user+0x19d/0x2d0
[ 456.674370][ T7170] ? srso_alias_return_thunk+0x5/0xfbef5
[ 456.674408][ T7170] ? do_getname+0x191/0x390
[ 456.674456][ T7170] __x64_sys_mkdirat+0x89/0xc0
[ 456.674497][ T7170] do_syscall_64+0x123/0x790
[ 456.674537][ T7170] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 456.674567][ T7170] RIP: 0033:0x7f677999e0d9
[ 456.674590][ T7170] 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
[ 456.674619][ T7170] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 456.674646][ T7170] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 456.674666][ T7170] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 456.674685][ T7170] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 456.674703][ T7170] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 456.674721][ T7170] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 456.674759][ T7170]
[ 456.674770][ T7170] memory: usage 8kB, limit 8kB, failcnt 50159
[ 457.031460][ T7170] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 457.039605][ T7170] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 457.046835][ T7170] Memory cgroup stats for /syz0/test:
[ 457.047021][ T7170] cache 0
[ 457.055340][ T7170] rss 0
[ 457.058237][ T7170] rss_huge 0
[ 457.061439][ T7170] shmem 0
[ 457.064372][ T7170] mapped_file 0
[ 457.067882][ T7170] dirty 0
[ 457.070856][ T7170] writeback 0
[ 457.074155][ T7170] workingset_refault_anon 0
[ 457.078729][ T7170] workingset_refault_file 0
[ 457.083346][ T7170] swap 0
[ 457.086307][ T7170] swapcached 81920
[ 457.090144][ T7170] pgpgin 20
[ 457.093251][ T7170] pgpgout 20
[ 457.096680][ T7170] pgfault 382
[ 457.099979][ T7170] pgmajfault 0
[ 457.103362][ T7170] inactive_anon 0
[ 457.107054][ T7170] active_anon 0
[ 457.110526][ T7170] inactive_file 0
[ 457.114166][ T7170] active_file 0
[ 457.117699][ T7170] unevictable 0
[ 457.121156][ T7170] hierarchical_memory_limit 8192
[ 457.126148][ T7170] hierarchical_memsw_limit 9223372036854771712
[ 457.132305][ T7170] total_cache 0
[ 457.135805][ T7170] total_rss 0
[ 457.139113][ T7170] total_rss_huge 0
[ 457.143292][ T7170] total_shmem 0
[ 457.146904][ T7170] total_mapped_file 0
[ 457.150922][ T7170] total_dirty 0
[ 457.154544][ T7170] total_writeback 0
[ 457.158388][ T7170] total_workingset_refault_anon 0
[ 457.163413][ T7170] total_workingset_refault_file 0
[ 457.168512][ T7170] total_swap 0
[ 457.171888][ T7170] total_swapcached 81920
[ 457.176188][ T7170] total_pgpgin 20
[ 457.179871][ T7170] total_pgpgout 20
[ 457.183594][ T7170] total_pgfault 382
[ 457.187492][ T7170] total_pgmajfault 0
[ 457.191393][ T7170] total_inactive_anon 0
[ 457.195615][ T7170] total_active_anon 0
[ 457.199602][ T7170] total_inactive_file 0
[ 457.203755][ T7170] total_active_file 0
[ 457.207853][ T7170] total_unevictable 0
[ 457.211896][ T7170] anon_cost 0
[ 457.215170][ T7170] file_cost 0
[ 457.218493][ T7170] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.406,pid=7169,uid=0
[ 457.234407][ T7170] Memory cgroup out of memory: Killed process 7169 (syz.0.406) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 457.264547][ T7170] Could not create tracefs 'show_event_triggers' entry
[ 457.296337][ T7170] Could not create tracefs 'set_event_pid' entry
[ 457.326784][ T7170] Could not create tracefs 'set_event_notrace_pid' entry
[ 457.359206][ T7170] Could not create tracefs 'events' directory
[ 457.440249][ T7172] syz.0.407 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 457.450396][ T7172] CPU: 0 UID: 0 PID: 7172 Comm: syz.0.407 Not tainted syzkaller #0 PREEMPT(full)
[ 457.450443][ T7172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 457.450468][ T7172] Call Trace:
[ 457.450480][ T7172]
[ 457.450495][ T7172] dump_stack_lvl+0x100/0x190
[ 457.450552][ T7172] dump_header+0xfb/0x606
[ 457.450598][ T7172] oom_kill_process.cold+0xd/0x380
[ 457.450635][ T7172] out_of_memory+0x340/0x14f0
[ 457.450685][ T7172] ? __pfx_out_of_memory+0x10/0x10
[ 457.450726][ T7172] ? srso_alias_return_thunk+0x5/0xfbef5
[ 457.450771][ T7172] mem_cgroup_out_of_memory+0xc6/0x130
[ 457.450806][ T7172] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 457.450838][ T7172] ? find_held_lock+0x2b/0x80
[ 457.450880][ T7172] ? srso_alias_return_thunk+0x5/0xfbef5
[ 457.450915][ T7172] ? do_raw_spin_unlock+0x145/0x1e0
[ 457.450944][ T7172] ? srso_alias_return_thunk+0x5/0xfbef5
[ 457.450978][ T7172] ? _raw_spin_unlock+0x28/0x50
[ 457.451012][ T7172] try_charge_memcg+0x6e1/0xdf0
[ 457.451063][ T7172] ? __pfx_try_charge_memcg+0x10/0x10
[ 457.451106][ T7172] ? srso_alias_return_thunk+0x5/0xfbef5
[ 457.451140][ T7172] ? find_held_lock+0x2b/0x80
[ 457.451172][ T7172] ? rcu_read_unlock+0x17/0x60
[ 457.451216][ T7172] ? rcu_read_unlock+0x17/0x60
[ 457.451261][ T7172] ? srso_alias_return_thunk+0x5/0xfbef5
[ 457.451307][ T7172] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 457.451406][ T7172] ? srso_alias_return_thunk+0x5/0xfbef5
[ 457.451441][ T7172] ? kasan_save_track+0x14/0x30
[ 457.451479][ T7172] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 457.451521][ T7172] ? tracefs_alloc_inode+0x2c/0x140
[ 457.451565][ T7172] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 457.451607][ T7172] tracefs_alloc_inode+0x2c/0x140
[ 457.451646][ T7172] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 457.451688][ T7172] alloc_inode+0x68/0x250
[ 457.451717][ T7172] new_inode+0x22/0x1c0
[ 457.451748][ T7172] tracefs_create_file+0xeb/0x770
[ 457.451795][ T7172] trace_create_file+0x33/0x60
[ 457.451838][ T7172] create_event_toplevel_files+0xc8/0x1a0
[ 457.451885][ T7172] event_trace_add_tracer+0x72/0x260
[ 457.451926][ T7172] trace_array_create_dir+0x8e/0x210
[ 457.451973][ T7172] trace_array_create_systems+0x8b3/0xc30
[ 457.452020][ T7172] instance_mkdir+0xca/0x140
[ 457.452061][ T7172] tracefs_syscall_mkdir+0x10e/0x180
[ 457.452100][ T7172] ? srso_alias_return_thunk+0x5/0xfbef5
[ 457.452138][ T7172] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 457.452189][ T7172] ? srso_alias_return_thunk+0x5/0xfbef5
[ 457.452230][ T7172] vfs_mkdir+0x364/0x850
[ 457.452263][ T7172] filename_mkdirat+0x48b/0x5e0
[ 457.452307][ T7172] ? __pfx_filename_mkdirat+0x10/0x10
[ 457.452347][ T7172] ? strncpy_from_user+0x19d/0x2d0
[ 457.452392][ T7172] ? srso_alias_return_thunk+0x5/0xfbef5
[ 457.452427][ T7172] ? do_getname+0x191/0x390
[ 457.452475][ T7172] __x64_sys_mkdirat+0x89/0xc0
[ 457.452515][ T7172] do_syscall_64+0x123/0x790
[ 457.452556][ T7172] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 457.452586][ T7172] RIP: 0033:0x7f677999e0d9
[ 457.452611][ T7172] 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
[ 457.452639][ T7172] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 457.452666][ T7172] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 457.452686][ T7172] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 457.452705][ T7172] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 457.452723][ T7172] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 457.452741][ T7172] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 457.452779][ T7172]
[ 457.452813][ T7172] memory: usage 8kB, limit 8kB, failcnt 50303
[ 457.820800][ T7172] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 457.828378][ T7172] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 457.835245][ T7172] Memory cgroup stats for /syz0/test:
[ 457.835445][ T7172] cache 0
[ 457.843798][ T7172] rss 0
[ 457.846809][ T7172] rss_huge 0
[ 457.850075][ T7172] shmem 0
[ 457.853040][ T7172] mapped_file 0
[ 457.856860][ T7172] dirty 0
[ 457.859846][ T7172] writeback 0
[ 457.863194][ T7172] workingset_refault_anon 0
[ 457.867774][ T7172] workingset_refault_file 0
[ 457.872278][ T7172] swap 0
[ 457.875141][ T7172] swapcached 81920
[ 457.878920][ T7172] pgpgin 20
[ 457.882033][ T7172] pgpgout 20
[ 457.885218][ T7172] pgfault 385
[ 457.888569][ T7172] pgmajfault 0
[ 457.891955][ T7172] inactive_anon 0
[ 457.895646][ T7172] active_anon 0
[ 457.899114][ T7172] inactive_file 0
[ 457.902757][ T7172] active_file 0
[ 457.906281][ T7172] unevictable 0
[ 457.909748][ T7172] hierarchical_memory_limit 8192
[ 457.914691][ T7172] hierarchical_memsw_limit 9223372036854771712
[ 457.920892][ T7172] total_cache 0
[ 457.924351][ T7172] total_rss 0
[ 457.927672][ T7172] total_rss_huge 0
[ 457.931400][ T7172] total_shmem 0
[ 457.934850][ T7172] total_mapped_file 0
[ 457.938872][ T7172] total_dirty 0
[ 457.942330][ T7172] total_writeback 0
[ 457.946264][ T7172] total_workingset_refault_anon 0
[ 457.951316][ T7172] total_workingset_refault_file 0
[ 457.956462][ T7172] total_swap 0
[ 457.960173][ T7172] total_swapcached 81920
[ 457.964421][ T7172] total_pgpgin 20
[ 457.969408][ T7172] total_pgpgout 20
[ 457.973120][ T7172] total_pgfault 385
[ 457.976955][ T7172] total_pgmajfault 0
[ 457.980851][ T7172] total_inactive_anon 0
[ 457.984994][ T7172] total_active_anon 0
[ 457.989003][ T7172] total_inactive_file 0
[ 457.993159][ T7172] total_active_file 0
[ 457.997180][ T7172] total_unevictable 0
[ 458.001189][ T7172] anon_cost 0
[ 458.004463][ T7172] file_cost 0
[ 458.007795][ T7172] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.407,pid=7171,uid=0
[ 458.023615][ T7172] Memory cgroup out of memory: Killed process 7171 (syz.0.407) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 458.052840][ T7172] Could not create tracefs 'show_event_triggers' entry
[ 458.087871][ T7172] Could not create tracefs 'set_event_pid' entry
[ 458.119810][ T7172] Could not create tracefs 'set_event_notrace_pid' entry
[ 458.150610][ T7172] Could not create tracefs 'events' directory
[ 458.207715][ T7174] syz.0.408 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 458.217539][ T7174] CPU: 0 UID: 0 PID: 7174 Comm: syz.0.408 Not tainted syzkaller #0 PREEMPT(full)
[ 458.217574][ T7174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 458.217592][ T7174] Call Trace:
[ 458.217603][ T7174]
[ 458.217614][ T7174] dump_stack_lvl+0x100/0x190
[ 458.217658][ T7174] dump_header+0xfb/0x606
[ 458.217692][ T7174] oom_kill_process.cold+0xd/0x380
[ 458.217729][ T7174] out_of_memory+0x340/0x14f0
[ 458.217778][ T7174] ? __pfx_out_of_memory+0x10/0x10
[ 458.217820][ T7174] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.217865][ T7174] mem_cgroup_out_of_memory+0xc6/0x130
[ 458.217906][ T7174] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 458.217939][ T7174] ? find_held_lock+0x2b/0x80
[ 458.217978][ T7174] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.218012][ T7174] ? do_raw_spin_unlock+0x145/0x1e0
[ 458.218042][ T7174] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.218077][ T7174] ? _raw_spin_unlock+0x28/0x50
[ 458.218111][ T7174] try_charge_memcg+0x6e1/0xdf0
[ 458.218161][ T7174] ? __pfx_try_charge_memcg+0x10/0x10
[ 458.218205][ T7174] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.218239][ T7174] ? find_held_lock+0x2b/0x80
[ 458.218271][ T7174] ? rcu_read_unlock+0x17/0x60
[ 458.218315][ T7174] ? rcu_read_unlock+0x17/0x60
[ 458.218357][ T7174] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.218404][ T7174] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 458.218462][ T7174] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.218496][ T7174] ? kasan_save_track+0x14/0x30
[ 458.218535][ T7174] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 458.218573][ T7174] ? shmem_alloc_inode+0x25/0x50
[ 458.218610][ T7174] ? __pfx_shmem_alloc_inode+0x10/0x10
[ 458.218647][ T7174] shmem_alloc_inode+0x25/0x50
[ 458.218680][ T7174] alloc_inode+0x68/0x250
[ 458.218709][ T7174] new_inode+0x22/0x1c0
[ 458.218735][ T7174] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.218774][ T7174] shmem_get_inode+0x1e3/0xf70
[ 458.218816][ T7174] ? __pfx_shmem_get_inode+0x10/0x10
[ 458.218851][ T7174] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.218893][ T7174] ? __pfx_make_vfsuid+0x10/0x10
[ 458.218932][ T7174] shmem_mknod+0x217/0x480
[ 458.218968][ T7174] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.219009][ T7174] ? __pfx_shmem_mknod+0x10/0x10
[ 458.219057][ T7174] ? security_inode_permission+0xbf/0x250
[ 458.219119][ T7174] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.219154][ T7174] ? inode_permission+0x374/0x620
[ 458.219207][ T7174] shmem_mkdir+0x31/0x80
[ 458.219246][ T7174] vfs_mkdir+0x364/0x850
[ 458.219279][ T7174] filename_mkdirat+0x48b/0x5e0
[ 458.219323][ T7174] ? __pfx_filename_mkdirat+0x10/0x10
[ 458.219363][ T7174] ? strncpy_from_user+0x19d/0x2d0
[ 458.219405][ T7174] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.219440][ T7174] ? do_getname+0x191/0x390
[ 458.219488][ T7174] __x64_sys_mkdirat+0x89/0xc0
[ 458.219528][ T7174] do_syscall_64+0x123/0x790
[ 458.219569][ T7174] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 458.219600][ T7174] RIP: 0033:0x7f677999e0d9
[ 458.219627][ T7174] 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
[ 458.219656][ T7174] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 458.219683][ T7174] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 458.219703][ T7174] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 458.219722][ T7174] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 458.219740][ T7174] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 458.219758][ T7174] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 458.219796][ T7174]
[ 458.219807][ T7174] memory: usage 8kB, limit 8kB, failcnt 50447
[ 458.584885][ T7174] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 458.592504][ T7174] kmem: usage 4kB, limit 9007199254740988kB, failcnt 0
[ 458.599404][ T7174] Memory cgroup stats for /syz0/test:
[ 458.599584][ T7174] cache 0
[ 458.607965][ T7174] rss 0
[ 458.610732][ T7174] rss_huge 0
[ 458.613913][ T7174] shmem 0
[ 458.616901][ T7174] mapped_file 0
[ 458.620361][ T7174] dirty 0
[ 458.623287][ T7174] writeback 0
[ 458.626602][ T7174] workingset_refault_anon 0
[ 458.631567][ T7174] workingset_refault_file 0
[ 458.636176][ T7174] swap 0
[ 458.639039][ T7174] swapcached 81920
[ 458.642754][ T7174] pgpgin 20
[ 458.645932][ T7174] pgpgout 20
[ 458.649152][ T7174] pgfault 385
[ 458.652423][ T7174] pgmajfault 0
[ 458.655856][ T7174] inactive_anon 0
[ 458.659491][ T7174] active_anon 0
[ 458.662934][ T7174] inactive_file 0
[ 458.666608][ T7174] active_file 0
[ 458.670086][ T7174] unevictable 0
[ 458.673530][ T7174] hierarchical_memory_limit 8192
[ 458.678901][ T7174] hierarchical_memsw_limit 9223372036854771712
[ 458.685264][ T7174] total_cache 0
[ 458.689318][ T7174] total_rss 0
[ 458.692613][ T7174] total_rss_huge 0
[ 458.696374][ T7174] total_shmem 0
[ 458.699842][ T7174] total_mapped_file 0
[ 458.703812][ T7174] total_dirty 0
[ 458.707311][ T7174] total_writeback 0
[ 458.711143][ T7174] total_workingset_refault_anon 0
[ 458.716229][ T7174] total_workingset_refault_file 0
[ 458.721256][ T7174] total_swap 0
[ 458.724626][ T7174] total_swapcached 81920
[ 458.728905][ T7174] total_pgpgin 20
[ 458.732559][ T7174] total_pgpgout 20
[ 458.736392][ T7174] total_pgfault 385
[ 458.740225][ T7174] total_pgmajfault 0
[ 458.744107][ T7174] total_inactive_anon 0
[ 458.748291][ T7174] total_active_anon 0
[ 458.752271][ T7174] total_inactive_file 0
[ 458.756474][ T7174] total_active_file 0
[ 458.760457][ T7174] total_unevictable 0
[ 458.764510][ T7174] anon_cost 0
[ 458.767839][ T7174] file_cost 0
[ 458.771124][ T7174] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.408,pid=7173,uid=0
[ 458.787157][ T7174] Memory cgroup out of memory: Killed process 7173 (syz.0.408) total-vm:45264kB, anon-rss:1348kB, file-rss:1104kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 458.862075][ T7176] syz.0.409 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 458.873404][ T7176] CPU: 0 UID: 0 PID: 7176 Comm: syz.0.409 Not tainted syzkaller #0 PREEMPT(full)
[ 458.873439][ T7176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 458.873458][ T7176] Call Trace:
[ 458.873468][ T7176]
[ 458.873480][ T7176] dump_stack_lvl+0x100/0x190
[ 458.873524][ T7176] dump_header+0xfb/0x606
[ 458.873566][ T7176] oom_kill_process.cold+0xd/0x380
[ 458.873602][ T7176] out_of_memory+0x340/0x14f0
[ 458.873651][ T7176] ? __pfx_out_of_memory+0x10/0x10
[ 458.873692][ T7176] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.873738][ T7176] mem_cgroup_out_of_memory+0xc6/0x130
[ 458.873772][ T7176] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 458.873805][ T7176] ? find_held_lock+0x2b/0x80
[ 458.873844][ T7176] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.873879][ T7176] ? do_raw_spin_unlock+0x145/0x1e0
[ 458.873910][ T7176] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.873945][ T7176] ? _raw_spin_unlock+0x28/0x50
[ 458.873979][ T7176] try_charge_memcg+0x6e1/0xdf0
[ 458.874030][ T7176] ? __pfx_try_charge_memcg+0x10/0x10
[ 458.874074][ T7176] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.874109][ T7176] ? find_held_lock+0x2b/0x80
[ 458.874141][ T7176] ? rcu_read_unlock+0x17/0x60
[ 458.874185][ T7176] ? rcu_read_unlock+0x17/0x60
[ 458.874229][ T7176] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.874276][ T7176] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 458.874333][ T7176] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.874367][ T7176] ? kasan_save_track+0x14/0x30
[ 458.874417][ T7176] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 458.874460][ T7176] ? tracefs_alloc_inode+0x2c/0x140
[ 458.874503][ T7176] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 458.874545][ T7176] tracefs_alloc_inode+0x2c/0x140
[ 458.874584][ T7176] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 458.874629][ T7176] alloc_inode+0x68/0x250
[ 458.874661][ T7176] new_inode+0x22/0x1c0
[ 458.874692][ T7176] tracefs_create_file+0xeb/0x770
[ 458.874739][ T7176] trace_create_file+0x33/0x60
[ 458.874782][ T7176] create_event_toplevel_files+0xaa/0x1a0
[ 458.874830][ T7176] event_trace_add_tracer+0x72/0x260
[ 458.874870][ T7176] trace_array_create_dir+0x8e/0x210
[ 458.874919][ T7176] trace_array_create_systems+0x8b3/0xc30
[ 458.874965][ T7176] instance_mkdir+0xca/0x140
[ 458.875006][ T7176] tracefs_syscall_mkdir+0x10e/0x180
[ 458.875045][ T7176] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.875082][ T7176] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 458.875134][ T7176] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.875174][ T7176] vfs_mkdir+0x364/0x850
[ 458.875208][ T7176] filename_mkdirat+0x48b/0x5e0
[ 458.875252][ T7176] ? __pfx_filename_mkdirat+0x10/0x10
[ 458.875292][ T7176] ? strncpy_from_user+0x19d/0x2d0
[ 458.875333][ T7176] ? srso_alias_return_thunk+0x5/0xfbef5
[ 458.875367][ T7176] ? do_getname+0x191/0x390
[ 458.875432][ T7176] __x64_sys_mkdirat+0x89/0xc0
[ 458.875473][ T7176] do_syscall_64+0x123/0x790
[ 458.875513][ T7176] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 458.875549][ T7176] RIP: 0033:0x7f677999e0d9
[ 458.875582][ T7176] 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
[ 458.875621][ T7176] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 458.875658][ T7176] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 458.875678][ T7176] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 458.875697][ T7176] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 458.875716][ T7176] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 458.875734][ T7176] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 458.875772][ T7176]
[ 459.234924][ T7176] memory: usage 8kB, limit 8kB, failcnt 50502
[ 459.241204][ T7176] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 459.248871][ T7176] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 459.256093][ T7176] Memory cgroup stats for /syz0/test:
[ 459.256366][ T7176] cache 0
[ 459.264704][ T7176] rss 0
[ 459.267627][ T7176] rss_huge 0
[ 459.270842][ T7176] shmem 0
[ 459.273849][ T7176] mapped_file 0
[ 459.277401][ T7176] dirty 0
[ 459.280465][ T7176] writeback 0
[ 459.283753][ T7176] workingset_refault_anon 0
[ 459.288324][ T7176] workingset_refault_file 0
[ 459.293192][ T7176] swap 0
[ 459.296107][ T7176] swapcached 86016
[ 459.299838][ T7176] pgpgin 21
[ 459.302943][ T7176] pgpgout 21
[ 459.306207][ T7176] pgfault 387
[ 459.309500][ T7176] pgmajfault 0
[ 459.312891][ T7176] inactive_anon 0
[ 459.316576][ T7176] active_anon 0
[ 459.320040][ T7176] inactive_file 0
[ 459.323664][ T7176] active_file 0
[ 459.327196][ T7176] unevictable 0
[ 459.330656][ T7176] hierarchical_memory_limit 8192
[ 459.335774][ T7176] hierarchical_memsw_limit 9223372036854771712
[ 459.342024][ T7176] total_cache 0
[ 459.345603][ T7176] total_rss 0
[ 459.348925][ T7176] total_rss_huge 0
[ 459.352661][ T7176] total_shmem 0
[ 459.356490][ T7176] total_mapped_file 0
[ 459.360572][ T7176] total_dirty 0
[ 459.364039][ T7176] total_writeback 0
[ 459.367998][ T7176] total_workingset_refault_anon 0
[ 459.373064][ T7176] total_workingset_refault_file 0
[ 459.378160][ T7176] total_swap 0
[ 459.381548][ T7176] total_swapcached 86016
[ 459.386784][ T7176] total_pgpgin 21
[ 459.390518][ T7176] total_pgpgout 21
[ 459.394622][ T7176] total_pgfault 387
[ 459.398501][ T7176] total_pgmajfault 0
[ 459.402390][ T7176] total_inactive_anon 0
[ 459.406590][ T7176] total_active_anon 0
[ 459.410572][ T7176] total_inactive_file 0
[ 459.414716][ T7176] total_active_file 0
[ 459.418728][ T7176] total_unevictable 0
[ 459.422742][ T7176] anon_cost 0
[ 459.426088][ T7176] file_cost 0
[ 459.429379][ T7176] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.409,pid=7175,uid=0
[ 459.445271][ T7176] Memory cgroup out of memory: Killed process 7175 (syz.0.409) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 459.469452][ T7176] Could not create tracefs 'show_event_filters' entry
[ 459.490814][ T7176] Could not create tracefs 'show_event_triggers' entry
[ 459.512163][ T7176] Could not create tracefs 'set_event_pid' entry
[ 459.532850][ T7176] Could not create tracefs 'events' directory
[ 459.585512][ T7178] syz.0.410 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 459.599028][ T7178] CPU: 0 UID: 0 PID: 7178 Comm: syz.0.410 Not tainted syzkaller #0 PREEMPT(full)
[ 459.599076][ T7178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 459.599101][ T7178] Call Trace:
[ 459.599114][ T7178]
[ 459.599128][ T7178] dump_stack_lvl+0x100/0x190
[ 459.599187][ T7178] dump_header+0xfb/0x606
[ 459.599232][ T7178] oom_kill_process.cold+0xd/0x380
[ 459.599273][ T7178] out_of_memory+0x340/0x14f0
[ 459.599321][ T7178] ? __pfx_out_of_memory+0x10/0x10
[ 459.599364][ T7178] ? srso_alias_return_thunk+0x5/0xfbef5
[ 459.599410][ T7178] mem_cgroup_out_of_memory+0xc6/0x130
[ 459.599444][ T7178] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 459.599477][ T7178] ? find_held_lock+0x2b/0x80
[ 459.599521][ T7178] ? srso_alias_return_thunk+0x5/0xfbef5
[ 459.599556][ T7178] ? do_raw_spin_unlock+0x145/0x1e0
[ 459.599585][ T7178] ? srso_alias_return_thunk+0x5/0xfbef5
[ 459.599620][ T7178] ? _raw_spin_unlock+0x28/0x50
[ 459.599654][ T7178] try_charge_memcg+0x6e1/0xdf0
[ 459.599705][ T7178] ? __pfx_try_charge_memcg+0x10/0x10
[ 459.599749][ T7178] ? srso_alias_return_thunk+0x5/0xfbef5
[ 459.599784][ T7178] ? find_held_lock+0x2b/0x80
[ 459.599816][ T7178] ? rcu_read_unlock+0x17/0x60
[ 459.599865][ T7178] ? rcu_read_unlock+0x17/0x60
[ 459.599909][ T7178] ? srso_alias_return_thunk+0x5/0xfbef5
[ 459.599956][ T7178] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 459.600014][ T7178] ? srso_alias_return_thunk+0x5/0xfbef5
[ 459.600048][ T7178] ? kasan_save_track+0x14/0x30
[ 459.600086][ T7178] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 459.600124][ T7178] ? shmem_alloc_inode+0x25/0x50
[ 459.600161][ T7178] ? __pfx_shmem_alloc_inode+0x10/0x10
[ 459.600198][ T7178] shmem_alloc_inode+0x25/0x50
[ 459.600231][ T7178] alloc_inode+0x68/0x250
[ 459.600261][ T7178] new_inode+0x22/0x1c0
[ 459.600286][ T7178] ? srso_alias_return_thunk+0x5/0xfbef5
[ 459.600326][ T7178] shmem_get_inode+0x1e3/0xf70
[ 459.600369][ T7178] ? __pfx_shmem_get_inode+0x10/0x10
[ 459.600405][ T7178] ? srso_alias_return_thunk+0x5/0xfbef5
[ 459.600442][ T7178] ? __pfx_make_vfsuid+0x10/0x10
[ 459.600480][ T7178] shmem_mknod+0x217/0x480
[ 459.600516][ T7178] ? srso_alias_return_thunk+0x5/0xfbef5
[ 459.600555][ T7178] ? __pfx_shmem_mknod+0x10/0x10
[ 459.600591][ T7178] ? security_inode_permission+0xbf/0x250
[ 459.600637][ T7178] ? srso_alias_return_thunk+0x5/0xfbef5
[ 459.600671][ T7178] ? inode_permission+0x374/0x620
[ 459.600724][ T7178] shmem_mkdir+0x31/0x80
[ 459.600763][ T7178] vfs_mkdir+0x364/0x850
[ 459.600796][ T7178] filename_mkdirat+0x48b/0x5e0
[ 459.600840][ T7178] ? __pfx_filename_mkdirat+0x10/0x10
[ 459.600887][ T7178] ? strncpy_from_user+0x19d/0x2d0
[ 459.600928][ T7178] ? srso_alias_return_thunk+0x5/0xfbef5
[ 459.600967][ T7178] ? do_getname+0x191/0x390
[ 459.601016][ T7178] __x64_sys_mkdirat+0x89/0xc0
[ 459.601057][ T7178] do_syscall_64+0x123/0x790
[ 459.601097][ T7178] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 459.601127][ T7178] RIP: 0033:0x7f677999e0d9
[ 459.601151][ T7178] 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
[ 459.601179][ T7178] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 459.601207][ T7178] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 459.601226][ T7178] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 459.601249][ T7178] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 459.601267][ T7178] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 459.601285][ T7178] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 459.601323][ T7178]
[ 459.601334][ T7178] memory: usage 8kB, limit 8kB, failcnt 50646
[ 459.965829][ T7178] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 459.973363][ T7178] kmem: usage 4kB, limit 9007199254740988kB, failcnt 0
[ 459.980349][ T7178] Memory cgroup stats for /syz0/test:
[ 459.980585][ T7178] cache 0
[ 459.988953][ T7178] rss 0
[ 459.991702][ T7178] rss_huge 0
[ 459.994888][ T7178] shmem 0
[ 459.997885][ T7178] mapped_file 0
[ 460.001343][ T7178] dirty 0
[ 460.004295][ T7178] writeback 0
[ 460.008016][ T7178] workingset_refault_anon 0
[ 460.012531][ T7178] workingset_refault_file 0
[ 460.017101][ T7178] swap 0
[ 460.019983][ T7178] swapcached 86016
[ 460.023711][ T7178] pgpgin 21
[ 460.026883][ T7178] pgpgout 21
[ 460.030090][ T7178] pgfault 387
[ 460.033383][ T7178] pgmajfault 0
[ 460.036875][ T7178] inactive_anon 0
[ 460.040514][ T7178] active_anon 0
[ 460.044047][ T7178] inactive_file 0
[ 460.047721][ T7178] active_file 0
[ 460.051196][ T7178] unevictable 0
[ 460.054640][ T7178] hierarchical_memory_limit 8192
[ 460.059707][ T7178] hierarchical_memsw_limit 9223372036854771712
[ 460.065915][ T7178] total_cache 0
[ 460.069375][ T7178] total_rss 0
[ 460.072646][ T7178] total_rss_huge 0
[ 460.076417][ T7178] total_shmem 0
[ 460.079880][ T7178] total_mapped_file 0
[ 460.083958][ T7178] total_dirty 0
[ 460.087529][ T7178] total_writeback 0
[ 460.091360][ T7178] total_workingset_refault_anon 0
[ 460.096431][ T7178] total_workingset_refault_file 0
[ 460.101459][ T7178] total_swap 0
[ 460.104818][ T7178] total_swapcached 86016
[ 460.109542][ T7178] total_pgpgin 21
[ 460.113208][ T7178] total_pgpgout 21
[ 460.116990][ T7178] total_pgfault 387
[ 460.120798][ T7178] total_pgmajfault 0
[ 460.124675][ T7178] total_inactive_anon 0
[ 460.128858][ T7178] total_active_anon 0
[ 460.132844][ T7178] total_inactive_file 0
[ 460.137042][ T7178] total_active_file 0
[ 460.141026][ T7178] total_unevictable 0
[ 460.144992][ T7178] anon_cost 0
[ 460.148331][ T7178] file_cost 0
[ 460.151637][ T7178] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.410,pid=7177,uid=0
[ 460.167442][ T7178] Memory cgroup out of memory: Killed process 7177 (syz.0.410) total-vm:45264kB, anon-rss:1348kB, file-rss:1104kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
2026/08/24 15:50:40 executed programs: 396
[ 460.254327][ T7180] syz.0.411 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 460.264177][ T7180] CPU: 0 UID: 0 PID: 7180 Comm: syz.0.411 Not tainted syzkaller #0 PREEMPT(full)
[ 460.264224][ T7180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 460.264249][ T7180] Call Trace:
[ 460.264263][ T7180]
[ 460.264277][ T7180] dump_stack_lvl+0x100/0x190
[ 460.264339][ T7180] dump_header+0xfb/0x606
[ 460.264387][ T7180] oom_kill_process.cold+0xd/0x380
[ 460.264432][ T7180] out_of_memory+0x340/0x14f0
[ 460.264493][ T7180] ? __pfx_out_of_memory+0x10/0x10
[ 460.264544][ T7180] ? srso_alias_return_thunk+0x5/0xfbef5
[ 460.264599][ T7180] mem_cgroup_out_of_memory+0xc6/0x130
[ 460.264642][ T7180] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 460.264681][ T7180] ? find_held_lock+0x2b/0x80
[ 460.264730][ T7180] ? srso_alias_return_thunk+0x5/0xfbef5
[ 460.264772][ T7180] ? do_raw_spin_unlock+0x145/0x1e0
[ 460.264808][ T7180] ? srso_alias_return_thunk+0x5/0xfbef5
[ 460.264851][ T7180] ? _raw_spin_unlock+0x28/0x50
[ 460.264894][ T7180] try_charge_memcg+0x6e1/0xdf0
[ 460.264956][ T7180] ? __pfx_try_charge_memcg+0x10/0x10
[ 460.265010][ T7180] ? srso_alias_return_thunk+0x5/0xfbef5
[ 460.265052][ T7180] ? find_held_lock+0x2b/0x80
[ 460.265092][ T7180] ? rcu_read_unlock+0x17/0x60
[ 460.265146][ T7180] ? rcu_read_unlock+0x17/0x60
[ 460.265199][ T7180] ? srso_alias_return_thunk+0x5/0xfbef5
[ 460.265257][ T7180] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 460.265328][ T7180] ? srso_alias_return_thunk+0x5/0xfbef5
[ 460.265370][ T7180] ? kasan_save_track+0x14/0x30
[ 460.265423][ T7180] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 460.265470][ T7180] ? tracefs_alloc_inode+0x2c/0x140
[ 460.265524][ T7180] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 460.265589][ T7180] tracefs_alloc_inode+0x2c/0x140
[ 460.265643][ T7180] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 460.265699][ T7180] alloc_inode+0x68/0x250
[ 460.265736][ T7180] new_inode+0x22/0x1c0
[ 460.265773][ T7180] tracefs_create_file+0xeb/0x770
[ 460.265834][ T7180] trace_create_file+0x33/0x60
[ 460.265886][ T7180] create_event_toplevel_files+0xc8/0x1a0
[ 460.265944][ T7180] event_trace_add_tracer+0x72/0x260
[ 460.265994][ T7180] trace_array_create_dir+0x8e/0x210
[ 460.266086][ T7180] trace_array_create_systems+0x8b3/0xc30
[ 460.266143][ T7180] instance_mkdir+0xca/0x140
[ 460.266193][ T7180] tracefs_syscall_mkdir+0x10e/0x180
[ 460.266241][ T7180] ? srso_alias_return_thunk+0x5/0xfbef5
[ 460.266287][ T7180] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 460.266350][ T7180] ? srso_alias_return_thunk+0x5/0xfbef5
[ 460.266405][ T7180] vfs_mkdir+0x364/0x850
[ 460.266446][ T7180] filename_mkdirat+0x48b/0x5e0
[ 460.266500][ T7180] ? __pfx_filename_mkdirat+0x10/0x10
[ 460.266549][ T7180] ? strncpy_from_user+0x19d/0x2d0
[ 460.266599][ T7180] ? srso_alias_return_thunk+0x5/0xfbef5
[ 460.266642][ T7180] ? do_getname+0x191/0x390
[ 460.266701][ T7180] __x64_sys_mkdirat+0x89/0xc0
[ 460.266750][ T7180] do_syscall_64+0x123/0x790
[ 460.266800][ T7180] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 460.266837][ T7180] RIP: 0033:0x7f677999e0d9
[ 460.266865][ T7180] 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
[ 460.266900][ T7180] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 460.266944][ T7180] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 460.266968][ T7180] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 460.266991][ T7180] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 460.267013][ T7180] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 460.267035][ T7180] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 460.267081][ T7180]
[ 460.628534][ T7180] memory: usage 8kB, limit 8kB, failcnt 50704
[ 460.634722][ T7180] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 460.642319][ T7180] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 460.649231][ T7180] Memory cgroup stats for /syz0/test:
[ 460.649479][ T7180] cache 0
[ 460.657801][ T7180] rss 0
[ 460.660563][ T7180] rss_huge 0
[ 460.663750][ T7180] shmem 0
[ 460.666766][ T7180] mapped_file 0
[ 460.670225][ T7180] dirty 0
[ 460.673149][ T7180] writeback 0
[ 460.676470][ T7180] workingset_refault_anon 0
[ 460.680993][ T7180] workingset_refault_file 0
[ 460.685481][ T7180] swap 0
[ 460.688370][ T7180] swapcached 86016
[ 460.692113][ T7180] pgpgin 21
[ 460.695230][ T7180] pgpgout 21
[ 460.698471][ T7180] pgfault 387
[ 460.701757][ T7180] pgmajfault 0
[ 460.705118][ T7180] inactive_anon 0
[ 460.708801][ T7180] active_anon 0
[ 460.712298][ T7180] inactive_file 0
[ 460.716002][ T7180] active_file 0
[ 460.719482][ T7180] unevictable 0
[ 460.722927][ T7180] hierarchical_memory_limit 8192
[ 460.728350][ T7180] hierarchical_memsw_limit 9223372036854771712
[ 460.734534][ T7180] total_cache 0
[ 460.738108][ T7180] total_rss 0
[ 460.741491][ T7180] total_rss_huge 0
[ 460.745245][ T7180] total_shmem 0
[ 460.748977][ T7180] total_mapped_file 0
[ 460.752980][ T7180] total_dirty 0
[ 460.756576][ T7180] total_writeback 0
[ 460.760426][ T7180] total_workingset_refault_anon 0
[ 460.765503][ T7180] total_workingset_refault_file 0
[ 460.770650][ T7180] total_swap 0
[ 460.774044][ T7180] total_swapcached 86016
[ 460.778393][ T7180] total_pgpgin 21
[ 460.782077][ T7180] total_pgpgout 21
[ 460.785856][ T7180] total_pgfault 387
[ 460.789673][ T7180] total_pgmajfault 0
[ 460.793554][ T7180] total_inactive_anon 0
[ 460.797779][ T7180] total_active_anon 0
[ 460.801782][ T7180] total_inactive_file 0
[ 460.805982][ T7180] total_active_file 0
[ 460.809964][ T7180] total_unevictable 0
[ 460.813932][ T7180] anon_cost 0
[ 460.817251][ T7180] file_cost 0
[ 460.820537][ T7180] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.411,pid=7179,uid=0
[ 460.836709][ T7180] Memory cgroup out of memory: Killed process 7179 (syz.0.411) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 460.868582][ T7180] Could not create tracefs 'show_event_triggers' entry
[ 460.900890][ T7180] Could not create tracefs 'set_event_pid' entry
[ 460.930456][ T7180] Could not create tracefs 'set_event_notrace_pid' entry
[ 460.951793][ T7180] Could not create tracefs 'events' directory
[ 461.035430][ T7182] syz.0.412 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 461.045707][ T7182] CPU: 1 UID: 0 PID: 7182 Comm: syz.0.412 Not tainted syzkaller #0 PREEMPT(full)
[ 461.045742][ T7182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 461.045760][ T7182] Call Trace:
[ 461.045771][ T7182]
[ 461.045782][ T7182] dump_stack_lvl+0x100/0x190
[ 461.045826][ T7182] dump_header+0xfb/0x606
[ 461.045861][ T7182] oom_kill_process.cold+0xd/0x380
[ 461.045899][ T7182] out_of_memory+0x340/0x14f0
[ 461.045948][ T7182] ? __pfx_out_of_memory+0x10/0x10
[ 461.045990][ T7182] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.046035][ T7182] mem_cgroup_out_of_memory+0xc6/0x130
[ 461.046069][ T7182] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 461.046102][ T7182] ? find_held_lock+0x2b/0x80
[ 461.046141][ T7182] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.046176][ T7182] ? do_raw_spin_unlock+0x145/0x1e0
[ 461.046205][ T7182] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.046240][ T7182] ? _raw_spin_unlock+0x28/0x50
[ 461.046274][ T7182] try_charge_memcg+0x6e1/0xdf0
[ 461.046325][ T7182] ? __pfx_try_charge_memcg+0x10/0x10
[ 461.046369][ T7182] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.046409][ T7182] ? find_held_lock+0x2b/0x80
[ 461.046441][ T7182] ? rcu_read_unlock+0x17/0x60
[ 461.046485][ T7182] ? rcu_read_unlock+0x17/0x60
[ 461.046529][ T7182] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.046576][ T7182] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 461.046634][ T7182] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.046668][ T7182] ? kasan_save_track+0x14/0x30
[ 461.046706][ T7182] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 461.046744][ T7182] ? tracefs_alloc_inode+0x2c/0x140
[ 461.046787][ T7182] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 461.046829][ T7182] tracefs_alloc_inode+0x2c/0x140
[ 461.046868][ T7182] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 461.046924][ T7182] alloc_inode+0x68/0x250
[ 461.046956][ T7182] new_inode+0x22/0x1c0
[ 461.046990][ T7182] tracefs_create_file+0xeb/0x770
[ 461.047083][ T7182] trace_create_file+0x33/0x60
[ 461.047128][ T7182] create_event_toplevel_files+0xaa/0x1a0
[ 461.047175][ T7182] event_trace_add_tracer+0x72/0x260
[ 461.047224][ T7182] trace_array_create_dir+0x8e/0x210
[ 461.047279][ T7182] trace_array_create_systems+0x8b3/0xc30
[ 461.047335][ T7182] instance_mkdir+0xca/0x140
[ 461.047381][ T7182] tracefs_syscall_mkdir+0x10e/0x180
[ 461.047431][ T7182] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.047469][ T7182] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 461.047520][ T7182] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.047564][ T7182] vfs_mkdir+0x364/0x850
[ 461.047598][ T7182] filename_mkdirat+0x48b/0x5e0
[ 461.047642][ T7182] ? __pfx_filename_mkdirat+0x10/0x10
[ 461.047682][ T7182] ? strncpy_from_user+0x19d/0x2d0
[ 461.047723][ T7182] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.047757][ T7182] ? do_getname+0x191/0x390
[ 461.047806][ T7182] __x64_sys_mkdirat+0x89/0xc0
[ 461.047847][ T7182] do_syscall_64+0x123/0x790
[ 461.047886][ T7182] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 461.047917][ T7182] RIP: 0033:0x7f677999e0d9
[ 461.047940][ T7182] 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
[ 461.047969][ T7182] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 461.047996][ T7182] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 461.048016][ T7182] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 461.048035][ T7182] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 461.048053][ T7182] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 461.048071][ T7182] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 461.048109][ T7182]
[ 461.048143][ T7182] memory: usage 8kB, limit 8kB, failcnt 50851
[ 461.417183][ T7182] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 461.424719][ T7182] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 461.431750][ T7182] Memory cgroup stats for /syz0/test:
[ 461.431986][ T7182] cache 0
[ 461.440764][ T7182] rss 0
[ 461.443585][ T7182] rss_huge 0
[ 461.448115][ T7182] shmem 0
[ 461.451047][ T7182] mapped_file 0
[ 461.454495][ T7182] dirty 0
[ 461.457467][ T7182] writeback 0
[ 461.460776][ T7182] workingset_refault_anon 0
[ 461.465270][ T7182] workingset_refault_file 0
[ 461.469868][ T7182] swap 0
[ 461.472720][ T7182] swapcached 86016
[ 461.476592][ T7182] pgpgin 21
[ 461.479724][ T7182] pgpgout 21
[ 461.482908][ T7182] pgfault 390
[ 461.486242][ T7182] pgmajfault 0
[ 461.489615][ T7182] inactive_anon 0
[ 461.493238][ T7182] active_anon 0
[ 461.496742][ T7182] inactive_file 0
[ 461.500377][ T7182] active_file 0
[ 461.503826][ T7182] unevictable 0
[ 461.507321][ T7182] hierarchical_memory_limit 8192
[ 461.512264][ T7182] hierarchical_memsw_limit 9223372036854771712
[ 461.518470][ T7182] total_cache 0
[ 461.521950][ T7182] total_rss 0
[ 461.525224][ T7182] total_rss_huge 0
[ 461.529667][ T7182] total_shmem 0
[ 461.533162][ T7182] total_mapped_file 0
[ 461.537332][ T7182] total_dirty 0
[ 461.540819][ T7182] total_writeback 0
[ 461.544948][ T7182] total_workingset_refault_anon 0
[ 461.550396][ T7182] total_workingset_refault_file 0
[ 461.555482][ T7182] total_swap 0
[ 461.558953][ T7182] total_swapcached 86016
[ 461.563248][ T7182] total_pgpgin 21
[ 461.566961][ T7182] total_pgpgout 21
[ 461.570681][ T7182] total_pgfault 390
[ 461.574474][ T7182] total_pgmajfault 0
[ 461.578413][ T7182] total_inactive_anon 0
[ 461.582572][ T7182] total_active_anon 0
[ 461.586584][ T7182] total_inactive_file 0
[ 461.590740][ T7182] total_active_file 0
[ 461.594709][ T7182] total_unevictable 0
[ 461.598717][ T7182] anon_cost 0
[ 461.602001][ T7182] file_cost 0
[ 461.605275][ T7182] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.412,pid=7181,uid=0
[ 461.620956][ T7182] Memory cgroup out of memory: Killed process 7181 (syz.0.412) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 461.651037][ T7182] Could not create tracefs 'show_event_filters' entry
[ 461.681052][ T7182] Could not create tracefs 'show_event_triggers' entry
[ 461.711198][ T7182] Could not create tracefs 'set_event_notrace_pid' entry
[ 461.742672][ T7182] Could not create tracefs 'events' directory
[ 461.802036][ T7184] syz.0.413 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 461.811838][ T7184] CPU: 1 UID: 0 PID: 7184 Comm: syz.0.413 Not tainted syzkaller #0 PREEMPT(full)
[ 461.811878][ T7184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 461.811897][ T7184] Call Trace:
[ 461.811907][ T7184]
[ 461.811919][ T7184] dump_stack_lvl+0x100/0x190
[ 461.811962][ T7184] dump_header+0xfb/0x606
[ 461.811997][ T7184] oom_kill_process.cold+0xd/0x380
[ 461.812033][ T7184] out_of_memory+0x340/0x14f0
[ 461.812083][ T7184] ? __pfx_out_of_memory+0x10/0x10
[ 461.812124][ T7184] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.812168][ T7184] mem_cgroup_out_of_memory+0xc6/0x130
[ 461.812203][ T7184] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 461.812236][ T7184] ? find_held_lock+0x2b/0x80
[ 461.812275][ T7184] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.812310][ T7184] ? do_raw_spin_unlock+0x145/0x1e0
[ 461.812339][ T7184] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.812374][ T7184] ? _raw_spin_unlock+0x28/0x50
[ 461.812408][ T7184] try_charge_memcg+0x6e1/0xdf0
[ 461.812459][ T7184] ? __pfx_try_charge_memcg+0x10/0x10
[ 461.812503][ T7184] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.812537][ T7184] ? find_held_lock+0x2b/0x80
[ 461.812569][ T7184] ? rcu_read_unlock+0x17/0x60
[ 461.812614][ T7184] ? rcu_read_unlock+0x17/0x60
[ 461.812657][ T7184] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.812704][ T7184] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 461.812762][ T7184] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.812801][ T7184] ? kasan_save_track+0x14/0x30
[ 461.812863][ T7184] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 461.812907][ T7184] ? shmem_alloc_inode+0x25/0x50
[ 461.812944][ T7184] ? __pfx_shmem_alloc_inode+0x10/0x10
[ 461.812981][ T7184] shmem_alloc_inode+0x25/0x50
[ 461.813014][ T7184] alloc_inode+0x68/0x250
[ 461.813043][ T7184] new_inode+0x22/0x1c0
[ 461.813069][ T7184] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.813108][ T7184] shmem_get_inode+0x1e3/0xf70
[ 461.813150][ T7184] ? __pfx_shmem_get_inode+0x10/0x10
[ 461.813187][ T7184] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.813223][ T7184] ? __pfx_make_vfsuid+0x10/0x10
[ 461.813262][ T7184] shmem_mknod+0x217/0x480
[ 461.813298][ T7184] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.813337][ T7184] ? __pfx_shmem_mknod+0x10/0x10
[ 461.813373][ T7184] ? security_inode_permission+0xbf/0x250
[ 461.813420][ T7184] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.813454][ T7184] ? inode_permission+0x374/0x620
[ 461.813507][ T7184] shmem_mkdir+0x31/0x80
[ 461.813545][ T7184] vfs_mkdir+0x364/0x850
[ 461.813578][ T7184] filename_mkdirat+0x48b/0x5e0
[ 461.813621][ T7184] ? __pfx_filename_mkdirat+0x10/0x10
[ 461.813663][ T7184] ? strncpy_from_user+0x19d/0x2d0
[ 461.813703][ T7184] ? srso_alias_return_thunk+0x5/0xfbef5
[ 461.813738][ T7184] ? do_getname+0x191/0x390
[ 461.813786][ T7184] __x64_sys_mkdirat+0x89/0xc0
[ 461.813826][ T7184] do_syscall_64+0x123/0x790
[ 461.813871][ T7184] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 461.813902][ T7184] RIP: 0033:0x7f677999e0d9
[ 461.813925][ T7184] 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
[ 461.813953][ T7184] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 461.813981][ T7184] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 461.814000][ T7184] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 461.814019][ T7184] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 461.814037][ T7184] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 461.814055][ T7184] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 461.814093][ T7184]
[ 461.814104][ T7184] memory: usage 8kB, limit 8kB, failcnt 50995
[ 462.180464][ T7184] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 462.188010][ T7184] kmem: usage 4kB, limit 9007199254740988kB, failcnt 0
[ 462.195060][ T7184] Memory cgroup stats for /syz0/test:
[ 462.195269][ T7184] cache 0
[ 462.203647][ T7184] rss 0
[ 462.206472][ T7184] rss_huge 0
[ 462.209672][ T7184] shmem 0
[ 462.212593][ T7184] mapped_file 0
[ 462.216090][ T7184] dirty 0
[ 462.219025][ T7184] writeback 0
[ 462.222294][ T7184] workingset_refault_anon 0
[ 462.226827][ T7184] workingset_refault_file 0
[ 462.231326][ T7184] swap 0
[ 462.234162][ T7184] swapcached 86016
[ 462.237928][ T7184] pgpgin 21
[ 462.241036][ T7184] pgpgout 21
[ 462.244218][ T7184] pgfault 390
[ 462.247532][ T7184] pgmajfault 0
[ 462.250942][ T7184] inactive_anon 0
[ 462.254559][ T7184] active_anon 0
[ 462.258050][ T7184] inactive_file 0
[ 462.261993][ T7184] active_file 0
[ 462.265451][ T7184] unevictable 0
[ 462.268945][ T7184] hierarchical_memory_limit 8192
[ 462.273882][ T7184] hierarchical_memsw_limit 9223372036854771712
[ 462.280090][ T7184] total_cache 0
[ 462.283552][ T7184] total_rss 0
[ 462.286875][ T7184] total_rss_huge 0
[ 462.290611][ T7184] total_shmem 0
[ 462.294055][ T7184] total_mapped_file 0
[ 462.298112][ T7184] total_dirty 0
[ 462.301600][ T7184] total_writeback 0
[ 462.305410][ T7184] total_workingset_refault_anon 0
[ 462.310497][ T7184] total_workingset_refault_file 0
[ 462.315568][ T7184] total_swap 0
[ 462.318955][ T7184] total_swapcached 86016
[ 462.323200][ T7184] total_pgpgin 21
[ 462.326881][ T7184] total_pgpgout 21
[ 462.330617][ T7184] total_pgfault 390
[ 462.334406][ T7184] total_pgmajfault 0
[ 462.338363][ T7184] total_inactive_anon 0
[ 462.342528][ T7184] total_active_anon 0
[ 462.346793][ T7184] total_inactive_file 0
[ 462.351079][ T7184] total_active_file 0
[ 462.355089][ T7184] total_unevictable 0
[ 462.359128][ T7184] anon_cost 0
[ 462.362715][ T7184] file_cost 0
[ 462.366076][ T7184] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.413,pid=7183,uid=0
[ 462.381790][ T7184] Memory cgroup out of memory: Killed process 7183 (syz.0.413) total-vm:45264kB, anon-rss:1348kB, file-rss:1104kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 462.455465][ T7186] syz.0.414 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 462.465826][ T7186] CPU: 0 UID: 0 PID: 7186 Comm: syz.0.414 Not tainted syzkaller #0 PREEMPT(full)
[ 462.465873][ T7186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 462.465897][ T7186] Call Trace:
[ 462.465910][ T7186]
[ 462.465925][ T7186] dump_stack_lvl+0x100/0x190
[ 462.465987][ T7186] dump_header+0xfb/0x606
[ 462.466026][ T7186] oom_kill_process.cold+0xd/0x380
[ 462.466063][ T7186] out_of_memory+0x340/0x14f0
[ 462.466112][ T7186] ? __pfx_out_of_memory+0x10/0x10
[ 462.466154][ T7186] ? srso_alias_return_thunk+0x5/0xfbef5
[ 462.466203][ T7186] mem_cgroup_out_of_memory+0xc6/0x130
[ 462.466237][ T7186] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 462.466270][ T7186] ? find_held_lock+0x2b/0x80
[ 462.466310][ T7186] ? srso_alias_return_thunk+0x5/0xfbef5
[ 462.466344][ T7186] ? do_raw_spin_unlock+0x145/0x1e0
[ 462.466375][ T7186] ? srso_alias_return_thunk+0x5/0xfbef5
[ 462.466414][ T7186] ? _raw_spin_unlock+0x28/0x50
[ 462.466448][ T7186] try_charge_memcg+0x6e1/0xdf0
[ 462.466500][ T7186] ? __pfx_try_charge_memcg+0x10/0x10
[ 462.466544][ T7186] ? srso_alias_return_thunk+0x5/0xfbef5
[ 462.466579][ T7186] ? find_held_lock+0x2b/0x80
[ 462.466611][ T7186] ? rcu_read_unlock+0x17/0x60
[ 462.466655][ T7186] ? rcu_read_unlock+0x17/0x60
[ 462.466699][ T7186] ? srso_alias_return_thunk+0x5/0xfbef5
[ 462.466746][ T7186] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 462.466804][ T7186] ? srso_alias_return_thunk+0x5/0xfbef5
[ 462.466838][ T7186] ? kasan_save_track+0x14/0x30
[ 462.466878][ T7186] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 462.466917][ T7186] ? tracefs_alloc_inode+0x2c/0x140
[ 462.466961][ T7186] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 462.467004][ T7186] tracefs_alloc_inode+0x2c/0x140
[ 462.467043][ T7186] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 462.467085][ T7186] alloc_inode+0x68/0x250
[ 462.467115][ T7186] new_inode+0x22/0x1c0
[ 462.467147][ T7186] tracefs_create_file+0xeb/0x770
[ 462.467196][ T7186] trace_create_file+0x33/0x60
[ 462.467238][ T7186] create_event_toplevel_files+0x78/0x1a0
[ 462.467286][ T7186] event_trace_add_tracer+0x72/0x260
[ 462.467330][ T7186] trace_array_create_dir+0x8e/0x210
[ 462.467377][ T7186] trace_array_create_systems+0x8b3/0xc30
[ 462.467426][ T7186] instance_mkdir+0xca/0x140
[ 462.467471][ T7186] tracefs_syscall_mkdir+0x10e/0x180
[ 462.467510][ T7186] ? srso_alias_return_thunk+0x5/0xfbef5
[ 462.467547][ T7186] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 462.467598][ T7186] ? srso_alias_return_thunk+0x5/0xfbef5
[ 462.467638][ T7186] vfs_mkdir+0x364/0x850
[ 462.467672][ T7186] filename_mkdirat+0x48b/0x5e0
[ 462.467716][ T7186] ? __pfx_filename_mkdirat+0x10/0x10
[ 462.467756][ T7186] ? strncpy_from_user+0x19d/0x2d0
[ 462.467797][ T7186] ? srso_alias_return_thunk+0x5/0xfbef5
[ 462.467831][ T7186] ? do_getname+0x191/0x390
[ 462.467879][ T7186] __x64_sys_mkdirat+0x89/0xc0
[ 462.467921][ T7186] do_syscall_64+0x123/0x790
[ 462.467961][ T7186] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 462.467992][ T7186] RIP: 0033:0x7f677999e0d9
[ 462.468015][ T7186] 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
[ 462.468043][ T7186] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 462.468074][ T7186] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 462.468094][ T7186] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 462.468113][ T7186] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 462.468132][ T7186] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 462.468150][ T7186] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 462.468188][ T7186]
[ 462.468222][ T7186] memory: usage 8kB, limit 8kB, failcnt 51050
[ 462.835904][ T7186] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 462.843493][ T7186] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 462.850469][ T7186] Memory cgroup stats for /syz0/test:
[ 462.850660][ T7186] cache 0
[ 462.859014][ T7186] rss 0
[ 462.861767][ T7186] rss_huge 0
[ 462.864951][ T7186] shmem 0
[ 462.867922][ T7186] mapped_file 0
[ 462.871380][ T7186] dirty 0
[ 462.874636][ T7186] writeback 0
[ 462.878024][ T7186] workingset_refault_anon 0
[ 462.882534][ T7186] workingset_refault_file 0
[ 462.887095][ T7186] swap 0
[ 462.889955][ T7186] swapcached 86016
[ 462.893680][ T7186] pgpgin 21
[ 462.896844][ T7186] pgpgout 21
[ 462.900043][ T7186] pgfault 390
[ 462.903327][ T7186] pgmajfault 0
[ 462.906852][ T7186] inactive_anon 0
[ 462.910500][ T7186] active_anon 0
[ 462.913949][ T7186] inactive_file 0
[ 462.917649][ T7186] active_file 0
[ 462.921113][ T7186] unevictable 0
[ 462.924561][ T7186] hierarchical_memory_limit 8192
[ 462.929539][ T7186] hierarchical_memsw_limit 9223372036854771712
[ 462.935748][ T7186] total_cache 0
[ 462.939213][ T7186] total_rss 0
[ 462.942484][ T7186] total_rss_huge 0
[ 462.946367][ T7186] total_shmem 0
[ 462.949858][ T7186] total_mapped_file 0
[ 462.953831][ T7186] total_dirty 0
[ 462.957374][ T7186] total_writeback 0
[ 462.961195][ T7186] total_workingset_refault_anon 0
[ 462.966668][ T7186] total_workingset_refault_file 0
[ 462.971718][ T7186] total_swap 0
[ 462.975077][ T7186] total_swapcached 86016
[ 462.979823][ T7186] total_pgpgin 21
[ 462.983486][ T7186] total_pgpgout 21
[ 462.987246][ T7186] total_pgfault 390
[ 462.991057][ T7186] total_pgmajfault 0
[ 462.995127][ T7186] total_inactive_anon 0
[ 462.999322][ T7186] total_active_anon 0
[ 463.003310][ T7186] total_inactive_file 0
[ 463.007565][ T7186] total_active_file 0
[ 463.011656][ T7186] total_unevictable 0
[ 463.015721][ T7186] anon_cost 0
[ 463.019027][ T7186] file_cost 0
[ 463.022306][ T7186] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.414,pid=7185,uid=0
[ 463.038101][ T7186] Memory cgroup out of memory: Killed process 7185 (syz.0.414) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 463.069069][ T7186] Could not create tracefs 'set_event' entry
[ 463.153680][ T7188] syz.0.415 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 463.163490][ T7188] CPU: 0 UID: 0 PID: 7188 Comm: syz.0.415 Not tainted syzkaller #0 PREEMPT(full)
[ 463.163524][ T7188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 463.163542][ T7188] Call Trace:
[ 463.163552][ T7188]
[ 463.163563][ T7188] dump_stack_lvl+0x100/0x190
[ 463.163607][ T7188] dump_header+0xfb/0x606
[ 463.163642][ T7188] oom_kill_process.cold+0xd/0x380
[ 463.163678][ T7188] out_of_memory+0x340/0x14f0
[ 463.163728][ T7188] ? __pfx_out_of_memory+0x10/0x10
[ 463.163769][ T7188] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.163815][ T7188] mem_cgroup_out_of_memory+0xc6/0x130
[ 463.163849][ T7188] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 463.163882][ T7188] ? find_held_lock+0x2b/0x80
[ 463.163922][ T7188] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.163956][ T7188] ? do_raw_spin_unlock+0x145/0x1e0
[ 463.163986][ T7188] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.164021][ T7188] ? _raw_spin_unlock+0x28/0x50
[ 463.164055][ T7188] try_charge_memcg+0x6e1/0xdf0
[ 463.164106][ T7188] ? __pfx_try_charge_memcg+0x10/0x10
[ 463.164150][ T7188] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.164185][ T7188] ? find_held_lock+0x2b/0x80
[ 463.164217][ T7188] ? rcu_read_unlock+0x17/0x60
[ 463.164261][ T7188] ? rcu_read_unlock+0x17/0x60
[ 463.164304][ T7188] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.164351][ T7188] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 463.164416][ T7188] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.164451][ T7188] ? kasan_save_track+0x14/0x30
[ 463.164490][ T7188] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 463.164528][ T7188] ? tracefs_alloc_inode+0x2c/0x140
[ 463.164572][ T7188] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 463.164615][ T7188] tracefs_alloc_inode+0x2c/0x140
[ 463.164655][ T7188] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 463.164697][ T7188] alloc_inode+0x68/0x250
[ 463.164726][ T7188] new_inode+0x22/0x1c0
[ 463.164758][ T7188] tracefs_create_file+0xeb/0x770
[ 463.164805][ T7188] trace_create_file+0x33/0x60
[ 463.164848][ T7188] create_event_toplevel_files+0xc8/0x1a0
[ 463.164896][ T7188] event_trace_add_tracer+0x72/0x260
[ 463.164937][ T7188] trace_array_create_dir+0x8e/0x210
[ 463.164984][ T7188] trace_array_create_systems+0x8b3/0xc30
[ 463.165029][ T7188] instance_mkdir+0xca/0x140
[ 463.165071][ T7188] tracefs_syscall_mkdir+0x10e/0x180
[ 463.165110][ T7188] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.165150][ T7188] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 463.165201][ T7188] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.165242][ T7188] vfs_mkdir+0x364/0x850
[ 463.165298][ T7188] filename_mkdirat+0x48b/0x5e0
[ 463.165342][ T7188] ? __pfx_filename_mkdirat+0x10/0x10
[ 463.165387][ T7188] ? strncpy_from_user+0x19d/0x2d0
[ 463.165428][ T7188] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.165462][ T7188] ? do_getname+0x191/0x390
[ 463.165510][ T7188] __x64_sys_mkdirat+0x89/0xc0
[ 463.165564][ T7188] do_syscall_64+0x123/0x790
[ 463.165613][ T7188] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.165644][ T7188] RIP: 0033:0x7f677999e0d9
[ 463.165667][ T7188] 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
[ 463.165696][ T7188] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 463.165723][ T7188] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 463.165743][ T7188] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 463.165761][ T7188] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 463.165780][ T7188] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 463.165798][ T7188] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 463.165836][ T7188]
[ 463.525135][ T7188] memory: usage 8kB, limit 8kB, failcnt 51092
[ 463.531411][ T7188] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 463.538960][ T7188] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 463.546313][ T7188] Memory cgroup stats for /syz0/test:
[ 463.546581][ T7188] cache 0
[ 463.554876][ T7188] rss 0
[ 463.557693][ T7188] rss_huge 0
[ 463.560895][ T7188] shmem 0
[ 463.563820][ T7188] mapped_file 0
[ 463.567329][ T7188] dirty 0
[ 463.570287][ T7188] writeback 0
[ 463.573562][ T7188] workingset_refault_anon 0
[ 463.578096][ T7188] workingset_refault_file 0
[ 463.582620][ T7188] swap 0
[ 463.585459][ T7188] swapcached 90112
[ 463.589207][ T7188] pgpgin 22
[ 463.592654][ T7188] pgpgout 22
[ 463.595931][ T7188] pgfault 392
[ 463.599223][ T7188] pgmajfault 0
[ 463.602586][ T7188] inactive_anon 0
[ 463.606253][ T7188] active_anon 0
[ 463.609712][ T7188] inactive_file 0
[ 463.613337][ T7188] active_file 0
[ 463.616894][ T7188] unevictable 0
[ 463.620380][ T7188] hierarchical_memory_limit 8192
[ 463.625305][ T7188] hierarchical_memsw_limit 9223372036854771712
[ 463.631552][ T7188] total_cache 0
[ 463.635049][ T7188] total_rss 0
[ 463.638574][ T7188] total_rss_huge 0
[ 463.642347][ T7188] total_shmem 0
[ 463.646096][ T7188] total_mapped_file 0
[ 463.650116][ T7188] total_dirty 0
[ 463.653568][ T7188] total_writeback 0
[ 463.657416][ T7188] total_workingset_refault_anon 0
[ 463.662444][ T7188] total_workingset_refault_file 0
[ 463.667509][ T7188] total_swap 0
[ 463.670910][ T7188] total_swapcached 90112
[ 463.675137][ T7188] total_pgpgin 22
[ 463.678812][ T7188] total_pgpgout 22
[ 463.682533][ T7188] total_pgfault 392
[ 463.686372][ T7188] total_pgmajfault 0
[ 463.690265][ T7188] total_inactive_anon 0
[ 463.694770][ T7188] total_active_anon 0
[ 463.698795][ T7188] total_inactive_file 0
[ 463.702948][ T7188] total_active_file 0
[ 463.707034][ T7188] total_unevictable 0
[ 463.711039][ T7188] anon_cost 0
[ 463.714311][ T7188] file_cost 0
[ 463.717795][ T7188] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.415,pid=7187,uid=0
[ 463.733626][ T7188] Memory cgroup out of memory: Killed process 7187 (syz.0.415) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 463.763820][ T7188] Could not create tracefs 'show_event_triggers' entry
[ 463.791696][ T7188] Could not create tracefs 'set_event_pid' entry
[ 463.817063][ T7188] Could not create tracefs 'set_event_notrace_pid' entry
[ 463.848204][ T7188] Could not create tracefs 'events' directory
[ 463.929235][ T7190] syz.0.416 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 463.939142][ T7190] CPU: 1 UID: 0 PID: 7190 Comm: syz.0.416 Not tainted syzkaller #0 PREEMPT(full)
[ 463.939176][ T7190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 463.939195][ T7190] Call Trace:
[ 463.939205][ T7190]
[ 463.939216][ T7190] dump_stack_lvl+0x100/0x190
[ 463.939260][ T7190] dump_header+0xfb/0x606
[ 463.939294][ T7190] oom_kill_process.cold+0xd/0x380
[ 463.939331][ T7190] out_of_memory+0x340/0x14f0
[ 463.939382][ T7190] ? __pfx_out_of_memory+0x10/0x10
[ 463.939423][ T7190] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.939468][ T7190] mem_cgroup_out_of_memory+0xc6/0x130
[ 463.939503][ T7190] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 463.939535][ T7190] ? find_held_lock+0x2b/0x80
[ 463.939575][ T7190] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.939610][ T7190] ? do_raw_spin_unlock+0x145/0x1e0
[ 463.939640][ T7190] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.939675][ T7190] ? _raw_spin_unlock+0x28/0x50
[ 463.939709][ T7190] try_charge_memcg+0x6e1/0xdf0
[ 463.939760][ T7190] ? __pfx_try_charge_memcg+0x10/0x10
[ 463.939804][ T7190] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.939838][ T7190] ? find_held_lock+0x2b/0x80
[ 463.939879][ T7190] ? rcu_read_unlock+0x17/0x60
[ 463.939927][ T7190] ? rcu_read_unlock+0x17/0x60
[ 463.939970][ T7190] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.940020][ T7190] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 463.940079][ T7190] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.940113][ T7190] ? kasan_save_track+0x14/0x30
[ 463.940153][ T7190] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 463.940190][ T7190] ? tracefs_alloc_inode+0x2c/0x140
[ 463.940234][ T7190] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 463.940277][ T7190] tracefs_alloc_inode+0x2c/0x140
[ 463.940317][ T7190] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 463.940359][ T7190] alloc_inode+0x68/0x250
[ 463.940389][ T7190] new_inode+0x22/0x1c0
[ 463.940421][ T7190] tracefs_create_file+0xeb/0x770
[ 463.940468][ T7190] trace_create_file+0x33/0x60
[ 463.940511][ T7190] create_event_toplevel_files+0xaa/0x1a0
[ 463.940559][ T7190] event_trace_add_tracer+0x72/0x260
[ 463.940599][ T7190] trace_array_create_dir+0x8e/0x210
[ 463.940646][ T7190] trace_array_create_systems+0x8b3/0xc30
[ 463.940692][ T7190] instance_mkdir+0xca/0x140
[ 463.940734][ T7190] tracefs_syscall_mkdir+0x10e/0x180
[ 463.940772][ T7190] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.940809][ T7190] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 463.940860][ T7190] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.940904][ T7190] vfs_mkdir+0x364/0x850
[ 463.940937][ T7190] filename_mkdirat+0x48b/0x5e0
[ 463.940981][ T7190] ? __pfx_filename_mkdirat+0x10/0x10
[ 463.941022][ T7190] ? strncpy_from_user+0x19d/0x2d0
[ 463.941062][ T7190] ? srso_alias_return_thunk+0x5/0xfbef5
[ 463.941097][ T7190] ? do_getname+0x191/0x390
[ 463.941145][ T7190] __x64_sys_mkdirat+0x89/0xc0
[ 463.941185][ T7190] do_syscall_64+0x123/0x790
[ 463.941225][ T7190] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.941258][ T7190] RIP: 0033:0x7f677999e0d9
[ 463.941281][ T7190] 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
[ 463.941309][ T7190] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 463.941337][ T7190] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 463.941357][ T7190] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 463.941377][ T7190] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 463.941395][ T7190] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 463.941413][ T7190] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 463.941451][ T7190]
[ 463.941462][ T7190] memory: usage 8kB, limit 8kB, failcnt 51236
[ 464.309567][ T7190] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 464.317335][ T7190] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 464.324397][ T7190] Memory cgroup stats for /syz0/test:
[ 464.324660][ T7190] cache 0
[ 464.333018][ T7190] rss 0
[ 464.336014][ T7190] rss_huge 0
[ 464.339283][ T7190] shmem 0
[ 464.342253][ T7190] mapped_file 0
[ 464.345781][ T7190] dirty 0
[ 464.348730][ T7190] writeback 0
[ 464.352003][ T7190] workingset_refault_anon 0
[ 464.356535][ T7190] workingset_refault_file 0
[ 464.361038][ T7190] swap 0
[ 464.363880][ T7190] swapcached 90112
[ 464.367936][ T7190] pgpgin 22
[ 464.371078][ T7190] pgpgout 22
[ 464.374294][ T7190] pgfault 392
[ 464.377611][ T7190] pgmajfault 0
[ 464.381000][ T7190] inactive_anon 0
[ 464.384619][ T7190] active_anon 0
[ 464.388108][ T7190] inactive_file 0
[ 464.391765][ T7190] active_file 0
[ 464.395253][ T7190] unevictable 0
[ 464.398764][ T7190] hierarchical_memory_limit 8192
[ 464.403701][ T7190] hierarchical_memsw_limit 9223372036854771712
[ 464.410421][ T7190] total_cache 0
[ 464.413951][ T7190] total_rss 0
[ 464.417308][ T7190] total_rss_huge 0
[ 464.421089][ T7190] total_shmem 0
[ 464.424574][ T7190] total_mapped_file 0
[ 464.428736][ T7190] total_dirty 0
[ 464.432241][ T7190] total_writeback 0
[ 464.436092][ T7190] total_workingset_refault_anon 0
[ 464.441140][ T7190] total_workingset_refault_file 0
[ 464.446226][ T7190] total_swap 0
[ 464.449610][ T7190] total_swapcached 90112
[ 464.453862][ T7190] total_pgpgin 22
[ 464.457565][ T7190] total_pgpgout 22
[ 464.461294][ T7190] total_pgfault 392
[ 464.465110][ T7190] total_pgmajfault 0
[ 464.469079][ T7190] total_inactive_anon 0
[ 464.473241][ T7190] total_active_anon 0
[ 464.477279][ T7190] total_inactive_file 0
[ 464.481435][ T7190] total_active_file 0
[ 464.485403][ T7190] total_unevictable 0
[ 464.489429][ T7190] anon_cost 0
[ 464.492717][ T7190] file_cost 0
[ 464.496029][ T7190] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.416,pid=7189,uid=0
[ 464.511781][ T7190] Memory cgroup out of memory: Killed process 7189 (syz.0.416) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 464.541856][ T7190] Could not create tracefs 'show_event_filters' entry
[ 464.577151][ T7190] Could not create tracefs 'show_event_triggers' entry
[ 464.607877][ T7190] Could not create tracefs 'set_event_notrace_pid' entry
[ 464.639802][ T7190] Could not create tracefs 'events' directory
[ 464.717663][ T7192] syz.0.417 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 464.727513][ T7192] CPU: 0 UID: 0 PID: 7192 Comm: syz.0.417 Not tainted syzkaller #0 PREEMPT(full)
[ 464.727557][ T7192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 464.727575][ T7192] Call Trace:
[ 464.727585][ T7192]
[ 464.727596][ T7192] dump_stack_lvl+0x100/0x190
[ 464.727640][ T7192] dump_header+0xfb/0x606
[ 464.727675][ T7192] oom_kill_process.cold+0xd/0x380
[ 464.727712][ T7192] out_of_memory+0x340/0x14f0
[ 464.727761][ T7192] ? __pfx_out_of_memory+0x10/0x10
[ 464.727803][ T7192] ? srso_alias_return_thunk+0x5/0xfbef5
[ 464.727848][ T7192] mem_cgroup_out_of_memory+0xc6/0x130
[ 464.727889][ T7192] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 464.727921][ T7192] ? find_held_lock+0x2b/0x80
[ 464.727961][ T7192] ? srso_alias_return_thunk+0x5/0xfbef5
[ 464.727996][ T7192] ? do_raw_spin_unlock+0x145/0x1e0
[ 464.728026][ T7192] ? srso_alias_return_thunk+0x5/0xfbef5
[ 464.728061][ T7192] ? _raw_spin_unlock+0x28/0x50
[ 464.728095][ T7192] try_charge_memcg+0x6e1/0xdf0
[ 464.728146][ T7192] ? __pfx_try_charge_memcg+0x10/0x10
[ 464.728190][ T7192] ? srso_alias_return_thunk+0x5/0xfbef5
[ 464.728224][ T7192] ? find_held_lock+0x2b/0x80
[ 464.728256][ T7192] ? rcu_read_unlock+0x17/0x60
[ 464.728301][ T7192] ? rcu_read_unlock+0x17/0x60
[ 464.728344][ T7192] ? srso_alias_return_thunk+0x5/0xfbef5
[ 464.728398][ T7192] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 464.728461][ T7192] ? srso_alias_return_thunk+0x5/0xfbef5
[ 464.728495][ T7192] ? kasan_save_track+0x14/0x30
[ 464.728534][ T7192] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 464.728573][ T7192] ? tracefs_alloc_inode+0x2c/0x140
[ 464.728617][ T7192] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 464.728659][ T7192] tracefs_alloc_inode+0x2c/0x140
[ 464.728699][ T7192] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 464.728741][ T7192] alloc_inode+0x68/0x250
[ 464.728770][ T7192] new_inode+0x22/0x1c0
[ 464.728801][ T7192] tracefs_create_file+0xeb/0x770
[ 464.728849][ T7192] trace_create_file+0x33/0x60
[ 464.728896][ T7192] create_event_toplevel_files+0xc8/0x1a0
[ 464.728944][ T7192] event_trace_add_tracer+0x72/0x260
[ 464.728985][ T7192] trace_array_create_dir+0x8e/0x210
[ 464.729032][ T7192] trace_array_create_systems+0x8b3/0xc30
[ 464.729077][ T7192] instance_mkdir+0xca/0x140
[ 464.729119][ T7192] tracefs_syscall_mkdir+0x10e/0x180
[ 464.729157][ T7192] ? srso_alias_return_thunk+0x5/0xfbef5
[ 464.729194][ T7192] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 464.729245][ T7192] ? srso_alias_return_thunk+0x5/0xfbef5
[ 464.729285][ T7192] vfs_mkdir+0x364/0x850
[ 464.729318][ T7192] filename_mkdirat+0x48b/0x5e0
[ 464.729366][ T7192] ? __pfx_filename_mkdirat+0x10/0x10
[ 464.729410][ T7192] ? strncpy_from_user+0x19d/0x2d0
[ 464.729451][ T7192] ? srso_alias_return_thunk+0x5/0xfbef5
[ 464.729485][ T7192] ? do_getname+0x191/0x390
[ 464.729534][ T7192] __x64_sys_mkdirat+0x89/0xc0
[ 464.729574][ T7192] do_syscall_64+0x123/0x790
[ 464.729613][ T7192] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 464.729643][ T7192] RIP: 0033:0x7f677999e0d9
[ 464.729666][ T7192] 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
[ 464.729694][ T7192] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 464.729722][ T7192] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 464.729741][ T7192] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 464.729760][ T7192] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 464.729778][ T7192] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 464.729796][ T7192] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 464.729834][ T7192]
[ 464.729845][ T7192] memory: usage 8kB, limit 8kB, failcnt 51380
[ 465.097110][ T7192] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 465.104639][ T7192] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 465.112261][ T7192] Memory cgroup stats for /syz0/test:
[ 465.112534][ T7192] cache 0
[ 465.122342][ T7192] rss 0
[ 465.125093][ T7192] rss_huge 0
[ 465.129034][ T7192] shmem 0
[ 465.132004][ T7192] mapped_file 0
[ 465.135451][ T7192] dirty 0
[ 465.138453][ T7192] writeback 0
[ 465.141735][ T7192] workingset_refault_anon 0
[ 465.146271][ T7192] workingset_refault_file 0
[ 465.150799][ T7192] swap 0
[ 465.153644][ T7192] swapcached 90112
[ 465.157433][ T7192] pgpgin 22
[ 465.160577][ T7192] pgpgout 22
[ 465.163767][ T7192] pgfault 392
[ 465.167100][ T7192] pgmajfault 0
[ 465.170467][ T7192] inactive_anon 0
[ 465.174088][ T7192] active_anon 0
[ 465.177659][ T7192] inactive_file 0
[ 465.181321][ T7192] active_file 0
[ 465.184772][ T7192] unevictable 0
[ 465.188290][ T7192] hierarchical_memory_limit 8192
[ 465.193224][ T7192] hierarchical_memsw_limit 9223372036854771712
[ 465.199558][ T7192] total_cache 0
[ 465.203019][ T7192] total_rss 0
[ 465.206468][ T7192] total_rss_huge 0
[ 465.210252][ T7192] total_shmem 0
[ 465.213696][ T7192] total_mapped_file 0
[ 465.217729][ T7192] total_dirty 0
[ 465.221188][ T7192] total_writeback 0
[ 465.224987][ T7192] total_workingset_refault_anon 0
[ 465.230544][ T7192] total_workingset_refault_file 0
[ 465.235778][ T7192] total_swap 0
[ 465.239356][ T7192] total_swapcached 90112
[ 465.243659][ T7192] total_pgpgin 22
[ 465.247362][ T7192] total_pgpgout 22
[ 465.251331][ T7192] total_pgfault 392
[ 465.255168][ T7192] total_pgmajfault 0
[ 465.259097][ T7192] total_inactive_anon 0
[ 465.263281][ T7192] total_active_anon 0
[ 465.267296][ T7192] total_inactive_file 0
[ 465.271453][ T7192] total_active_file 0
[ 465.275439][ T7192] total_unevictable 0
[ 465.279487][ T7192] anon_cost 0
[ 465.282769][ T7192] file_cost 0
[ 465.286099][ T7192] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.417,pid=7191,uid=0
[ 465.301799][ T7192] Memory cgroup out of memory: Killed process 7191 (syz.0.417) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 465.330866][ T7192] Could not create tracefs 'show_event_triggers' entry
[ 465.363804][ T7192] Could not create tracefs 'set_event_pid' entry
[ 465.396348][ T7192] Could not create tracefs 'set_event_notrace_pid' entry
[ 465.428999][ T7192] Could not create tracefs 'events' directory
2026/08/24 15:50:45 executed programs: 403
[ 465.486844][ T7194] syz.0.418 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 465.496646][ T7194] CPU: 1 UID: 0 PID: 7194 Comm: syz.0.418 Not tainted syzkaller #0 PREEMPT(full)
[ 465.496679][ T7194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 465.496698][ T7194] Call Trace:
[ 465.496708][ T7194]
[ 465.496719][ T7194] dump_stack_lvl+0x100/0x190
[ 465.496763][ T7194] dump_header+0xfb/0x606
[ 465.496798][ T7194] oom_kill_process.cold+0xd/0x380
[ 465.496834][ T7194] out_of_memory+0x340/0x14f0
[ 465.496890][ T7194] ? __pfx_out_of_memory+0x10/0x10
[ 465.496932][ T7194] ? srso_alias_return_thunk+0x5/0xfbef5
[ 465.496977][ T7194] mem_cgroup_out_of_memory+0xc6/0x130
[ 465.497012][ T7194] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 465.497045][ T7194] ? find_held_lock+0x2b/0x80
[ 465.497084][ T7194] ? srso_alias_return_thunk+0x5/0xfbef5
[ 465.497119][ T7194] ? do_raw_spin_unlock+0x145/0x1e0
[ 465.497149][ T7194] ? srso_alias_return_thunk+0x5/0xfbef5
[ 465.497184][ T7194] ? _raw_spin_unlock+0x28/0x50
[ 465.497218][ T7194] try_charge_memcg+0x6e1/0xdf0
[ 465.497270][ T7194] ? __pfx_try_charge_memcg+0x10/0x10
[ 465.497314][ T7194] ? srso_alias_return_thunk+0x5/0xfbef5
[ 465.497349][ T7194] ? find_held_lock+0x2b/0x80
[ 465.497381][ T7194] ? rcu_read_unlock+0x17/0x60
[ 465.497427][ T7194] ? rcu_read_unlock+0x17/0x60
[ 465.497471][ T7194] ? srso_alias_return_thunk+0x5/0xfbef5
[ 465.497518][ T7194] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 465.497576][ T7194] ? srso_alias_return_thunk+0x5/0xfbef5
[ 465.497611][ T7194] ? kasan_save_track+0x14/0x30
[ 465.497650][ T7194] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 465.497688][ T7194] ? shmem_alloc_inode+0x25/0x50
[ 465.497725][ T7194] ? __pfx_shmem_alloc_inode+0x10/0x10
[ 465.497762][ T7194] shmem_alloc_inode+0x25/0x50
[ 465.497796][ T7194] alloc_inode+0x68/0x250
[ 465.497825][ T7194] new_inode+0x22/0x1c0
[ 465.497851][ T7194] ? srso_alias_return_thunk+0x5/0xfbef5
[ 465.497896][ T7194] shmem_get_inode+0x1e3/0xf70
[ 465.497939][ T7194] ? __pfx_shmem_get_inode+0x10/0x10
[ 465.497975][ T7194] ? srso_alias_return_thunk+0x5/0xfbef5
[ 465.498012][ T7194] ? __pfx_make_vfsuid+0x10/0x10
[ 465.498051][ T7194] shmem_mknod+0x217/0x480
[ 465.498087][ T7194] ? srso_alias_return_thunk+0x5/0xfbef5
[ 465.498126][ T7194] ? __pfx_shmem_mknod+0x10/0x10
[ 465.498161][ T7194] ? security_inode_permission+0xbf/0x250
[ 465.498208][ T7194] ? srso_alias_return_thunk+0x5/0xfbef5
[ 465.498242][ T7194] ? inode_permission+0x374/0x620
[ 465.498295][ T7194] shmem_mkdir+0x31/0x80
[ 465.498333][ T7194] vfs_mkdir+0x364/0x850
[ 465.498365][ T7194] filename_mkdirat+0x48b/0x5e0
[ 465.498423][ T7194] ? __pfx_filename_mkdirat+0x10/0x10
[ 465.498477][ T7194] ? strncpy_from_user+0x19d/0x2d0
[ 465.498518][ T7194] ? srso_alias_return_thunk+0x5/0xfbef5
[ 465.498552][ T7194] ? do_getname+0x191/0x390
[ 465.498600][ T7194] __x64_sys_mkdirat+0x89/0xc0
[ 465.498641][ T7194] do_syscall_64+0x123/0x790
[ 465.498681][ T7194] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 465.498711][ T7194] RIP: 0033:0x7f677999e0d9
[ 465.498734][ T7194] 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
[ 465.498762][ T7194] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 465.498790][ T7194] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 465.498809][ T7194] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 465.498828][ T7194] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 465.498846][ T7194] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 465.498864][ T7194] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 465.498907][ T7194]
[ 465.498918][ T7194] memory: usage 8kB, limit 8kB, failcnt 51524
[ 465.863460][ T7194] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 465.871227][ T7194] kmem: usage 4kB, limit 9007199254740988kB, failcnt 0
[ 465.878147][ T7194] Memory cgroup stats for /syz0/test:
[ 465.878390][ T7194] cache 0
[ 465.886725][ T7194] rss 0
[ 465.889481][ T7194] rss_huge 0
[ 465.892660][ T7194] shmem 0
[ 465.895749][ T7194] mapped_file 0
[ 465.899242][ T7194] dirty 0
[ 465.902171][ T7194] writeback 0
[ 465.905444][ T7194] workingset_refault_anon 0
[ 465.910003][ T7194] workingset_refault_file 0
[ 465.914523][ T7194] swap 4096
[ 465.917953][ T7194] swapcached 94208
[ 465.921784][ T7194] pgpgin 23
[ 465.924911][ T7194] pgpgout 23
[ 465.928180][ T7194] pgfault 396
[ 465.931473][ T7194] pgmajfault 0
[ 465.934853][ T7194] inactive_anon 0
[ 465.938559][ T7194] active_anon 0
[ 465.942026][ T7194] inactive_file 0
[ 465.946349][ T7194] active_file 0
[ 465.949846][ T7194] unevictable 0
[ 465.953291][ T7194] hierarchical_memory_limit 8192
[ 465.958277][ T7194] hierarchical_memsw_limit 9223372036854771712
[ 465.964446][ T7194] total_cache 0
[ 465.968039][ T7194] total_rss 0
[ 465.971326][ T7194] total_rss_huge 0
[ 465.975031][ T7194] total_shmem 0
[ 465.978514][ T7194] total_mapped_file 0
[ 465.982496][ T7194] total_dirty 0
[ 465.985983][ T7194] total_writeback 0
[ 465.989795][ T7194] total_workingset_refault_anon 0
[ 465.994801][ T7194] total_workingset_refault_file 0
[ 465.999914][ T7194] total_swap 4096
[ 466.003549][ T7194] total_swapcached 94208
[ 466.007832][ T7194] total_pgpgin 23
[ 466.011460][ T7194] total_pgpgout 23
[ 466.015182][ T7194] total_pgfault 396
[ 466.019017][ T7194] total_pgmajfault 0
[ 466.022910][ T7194] total_inactive_anon 0
[ 466.027108][ T7194] total_active_anon 0
[ 466.031085][ T7194] total_inactive_file 0
[ 466.035223][ T7194] total_active_file 0
[ 466.039231][ T7194] total_unevictable 0
[ 466.043211][ T7194] anon_cost 0
[ 466.046526][ T7194] file_cost 0
[ 466.050120][ T7194] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.418,pid=7193,uid=0
[ 466.065853][ T7194] Memory cgroup out of memory: Killed process 7193 (syz.0.418) total-vm:45264kB, anon-rss:1348kB, file-rss:1104kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 466.144381][ T7196] syz.0.419 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 466.154513][ T7196] CPU: 1 UID: 0 PID: 7196 Comm: syz.0.419 Not tainted syzkaller #0 PREEMPT(full)
[ 466.154558][ T7196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 466.154582][ T7196] Call Trace:
[ 466.154594][ T7196]
[ 466.154609][ T7196] dump_stack_lvl+0x100/0x190
[ 466.154666][ T7196] dump_header+0xfb/0x606
[ 466.154712][ T7196] oom_kill_process.cold+0xd/0x380
[ 466.154748][ T7196] out_of_memory+0x340/0x14f0
[ 466.154798][ T7196] ? __pfx_out_of_memory+0x10/0x10
[ 466.154839][ T7196] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.154884][ T7196] mem_cgroup_out_of_memory+0xc6/0x130
[ 466.154937][ T7196] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 466.154973][ T7196] ? find_held_lock+0x2b/0x80
[ 466.155012][ T7196] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.155047][ T7196] ? do_raw_spin_unlock+0x145/0x1e0
[ 466.155077][ T7196] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.155112][ T7196] ? _raw_spin_unlock+0x28/0x50
[ 466.155146][ T7196] try_charge_memcg+0x6e1/0xdf0
[ 466.155197][ T7196] ? __pfx_try_charge_memcg+0x10/0x10
[ 466.155241][ T7196] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.155276][ T7196] ? find_held_lock+0x2b/0x80
[ 466.155308][ T7196] ? rcu_read_unlock+0x17/0x60
[ 466.155352][ T7196] ? rcu_read_unlock+0x17/0x60
[ 466.155398][ T7196] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.155457][ T7196] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 466.155515][ T7196] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.155562][ T7196] ? kasan_save_track+0x14/0x30
[ 466.155613][ T7196] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 466.155652][ T7196] ? tracefs_alloc_inode+0x2c/0x140
[ 466.155696][ T7196] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 466.155738][ T7196] tracefs_alloc_inode+0x2c/0x140
[ 466.155778][ T7196] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 466.155820][ T7196] alloc_inode+0x68/0x250
[ 466.155849][ T7196] new_inode+0x22/0x1c0
[ 466.155880][ T7196] tracefs_create_file+0xeb/0x770
[ 466.155934][ T7196] trace_create_file+0x33/0x60
[ 466.155977][ T7196] create_event_toplevel_files+0xaa/0x1a0
[ 466.156024][ T7196] event_trace_add_tracer+0x72/0x260
[ 466.156065][ T7196] trace_array_create_dir+0x8e/0x210
[ 466.156113][ T7196] trace_array_create_systems+0x8b3/0xc30
[ 466.156166][ T7196] instance_mkdir+0xca/0x140
[ 466.156207][ T7196] tracefs_syscall_mkdir+0x10e/0x180
[ 466.156247][ T7196] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.156284][ T7196] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 466.156336][ T7196] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.156376][ T7196] vfs_mkdir+0x364/0x850
[ 466.156414][ T7196] filename_mkdirat+0x48b/0x5e0
[ 466.156457][ T7196] ? __pfx_filename_mkdirat+0x10/0x10
[ 466.156498][ T7196] ? strncpy_from_user+0x19d/0x2d0
[ 466.156538][ T7196] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.156572][ T7196] ? do_getname+0x191/0x390
[ 466.156620][ T7196] __x64_sys_mkdirat+0x89/0xc0
[ 466.156661][ T7196] do_syscall_64+0x123/0x790
[ 466.156701][ T7196] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 466.156731][ T7196] RIP: 0033:0x7f677999e0d9
[ 466.156754][ T7196] 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
[ 466.156781][ T7196] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 466.156810][ T7196] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 466.156829][ T7196] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 466.156848][ T7196] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 466.156867][ T7196] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 466.156884][ T7196] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 466.156926][ T7196]
[ 466.515724][ T7196] memory: usage 8kB, limit 8kB, failcnt 51579
[ 466.521944][ T7196] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 466.529568][ T7196] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 466.536519][ T7196] Memory cgroup stats for /syz0/test:
[ 466.536706][ T7196] cache 0
[ 466.545351][ T7196] rss 0
[ 466.548284][ T7196] rss_huge 0
[ 466.551538][ T7196] shmem 0
[ 466.554510][ T7196] mapped_file 0
[ 466.558215][ T7196] dirty 0
[ 466.561458][ T7196] writeback 0
[ 466.564803][ T7196] workingset_refault_anon 0
[ 466.569449][ T7196] workingset_refault_file 0
[ 466.573979][ T7196] swap 4096
[ 466.577163][ T7196] swapcached 94208
[ 466.580887][ T7196] pgpgin 23
[ 466.583985][ T7196] pgpgout 23
[ 466.587266][ T7196] pgfault 396
[ 466.590646][ T7196] pgmajfault 0
[ 466.594019][ T7196] inactive_anon 0
[ 466.597761][ T7196] active_anon 0
[ 466.601252][ T7196] inactive_file 0
[ 466.604873][ T7196] active_file 0
[ 466.608360][ T7196] unevictable 0
[ 466.611819][ T7196] hierarchical_memory_limit 8192
[ 466.617164][ T7196] hierarchical_memsw_limit 9223372036854771712
[ 466.623327][ T7196] total_cache 0
[ 466.627169][ T7196] total_rss 0
[ 466.630526][ T7196] total_rss_huge 0
[ 466.634260][ T7196] total_shmem 0
[ 466.637812][ T7196] total_mapped_file 0
[ 466.641803][ T7196] total_dirty 0
[ 466.645265][ T7196] total_writeback 0
[ 466.649430][ T7196] total_workingset_refault_anon 0
[ 466.654490][ T7196] total_workingset_refault_file 0
[ 466.659591][ T7196] total_swap 4096
[ 466.663574][ T7196] total_swapcached 94208
[ 466.668163][ T7196] total_pgpgin 23
[ 466.671927][ T7196] total_pgpgout 23
[ 466.675712][ T7196] total_pgfault 396
[ 466.679525][ T7196] total_pgmajfault 0
[ 466.683424][ T7196] total_inactive_anon 0
[ 466.687639][ T7196] total_active_anon 0
[ 466.691634][ T7196] total_inactive_file 0
[ 466.695829][ T7196] total_active_file 0
[ 466.699815][ T7196] total_unevictable 0
[ 466.703783][ T7196] anon_cost 0
[ 466.707108][ T7196] file_cost 0
[ 466.710391][ T7196] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.419,pid=7195,uid=0
[ 466.726089][ T7196] Memory cgroup out of memory: Killed process 7195 (syz.0.419) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 466.755786][ T7196] Could not create tracefs 'show_event_filters' entry
[ 466.777555][ T7196] Could not create tracefs 'show_event_triggers' entry
[ 466.798553][ T7196] Could not create tracefs 'set_event_pid' entry
[ 466.819019][ T7196] Could not create tracefs 'set_event_notrace_pid' entry
[ 466.840234][ T7196] Could not create tracefs 'events' directory
[ 466.926041][ T7198] syz.0.420 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 466.935935][ T7198] CPU: 0 UID: 0 PID: 7198 Comm: syz.0.420 Not tainted syzkaller #0 PREEMPT(full)
[ 466.935980][ T7198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 466.936003][ T7198] Call Trace:
[ 466.936015][ T7198]
[ 466.936030][ T7198] dump_stack_lvl+0x100/0x190
[ 466.936089][ T7198] dump_header+0xfb/0x606
[ 466.936124][ T7198] oom_kill_process.cold+0xd/0x380
[ 466.936160][ T7198] out_of_memory+0x340/0x14f0
[ 466.936210][ T7198] ? __pfx_out_of_memory+0x10/0x10
[ 466.936251][ T7198] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.936297][ T7198] mem_cgroup_out_of_memory+0xc6/0x130
[ 466.936331][ T7198] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 466.936371][ T7198] ? find_held_lock+0x2b/0x80
[ 466.936410][ T7198] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.936445][ T7198] ? do_raw_spin_unlock+0x145/0x1e0
[ 466.936475][ T7198] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.936510][ T7198] ? _raw_spin_unlock+0x28/0x50
[ 466.936544][ T7198] try_charge_memcg+0x6e1/0xdf0
[ 466.936595][ T7198] ? __pfx_try_charge_memcg+0x10/0x10
[ 466.936639][ T7198] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.936674][ T7198] ? find_held_lock+0x2b/0x80
[ 466.936706][ T7198] ? rcu_read_unlock+0x17/0x60
[ 466.936750][ T7198] ? rcu_read_unlock+0x17/0x60
[ 466.936793][ T7198] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.936841][ T7198] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 466.936898][ T7198] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.936933][ T7198] ? kasan_save_track+0x14/0x30
[ 466.936972][ T7198] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 466.937010][ T7198] ? tracefs_alloc_inode+0x2c/0x140
[ 466.937054][ T7198] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 466.937096][ T7198] tracefs_alloc_inode+0x2c/0x140
[ 466.937136][ T7198] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 466.937178][ T7198] alloc_inode+0x68/0x250
[ 466.937207][ T7198] new_inode+0x22/0x1c0
[ 466.937239][ T7198] tracefs_create_file+0xeb/0x770
[ 466.937286][ T7198] trace_create_file+0x33/0x60
[ 466.937328][ T7198] create_event_toplevel_files+0xc8/0x1a0
[ 466.937382][ T7198] event_trace_add_tracer+0x72/0x260
[ 466.937423][ T7198] trace_array_create_dir+0x8e/0x210
[ 466.937470][ T7198] trace_array_create_systems+0x8b3/0xc30
[ 466.937516][ T7198] instance_mkdir+0xca/0x140
[ 466.937557][ T7198] tracefs_syscall_mkdir+0x10e/0x180
[ 466.937596][ T7198] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.937633][ T7198] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 466.937687][ T7198] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.937727][ T7198] vfs_mkdir+0x364/0x850
[ 466.937760][ T7198] filename_mkdirat+0x48b/0x5e0
[ 466.937804][ T7198] ? __pfx_filename_mkdirat+0x10/0x10
[ 466.937844][ T7198] ? strncpy_from_user+0x19d/0x2d0
[ 466.937885][ T7198] ? srso_alias_return_thunk+0x5/0xfbef5
[ 466.937919][ T7198] ? do_getname+0x191/0x390
[ 466.937967][ T7198] __x64_sys_mkdirat+0x89/0xc0
[ 466.938008][ T7198] do_syscall_64+0x123/0x790
[ 466.938051][ T7198] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 466.938081][ T7198] RIP: 0033:0x7f677999e0d9
[ 466.938105][ T7198] 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
[ 466.938133][ T7198] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 466.938161][ T7198] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 466.938180][ T7198] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 466.938199][ T7198] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 466.938218][ T7198] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 466.938235][ T7198] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 466.938274][ T7198]
[ 466.938311][ T7198] memory: usage 8kB, limit 8kB, failcnt 51765
[ 467.306809][ T7198] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 467.314391][ T7198] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 467.321446][ T7198] Memory cgroup stats for /syz0/test:
[ 467.321680][ T7198] cache 0
[ 467.330027][ T7198] rss 0
[ 467.332779][ T7198] rss_huge 0
[ 467.336017][ T7198] shmem 0
[ 467.338979][ T7198] mapped_file 0
[ 467.342423][ T7198] dirty 0
[ 467.345351][ T7198] writeback 0
[ 467.348706][ T7198] workingset_refault_anon 0
[ 467.353207][ T7198] workingset_refault_file 0
[ 467.357763][ T7198] swap 4096
[ 467.360875][ T7198] swapcached 94208
[ 467.364585][ T7198] pgpgin 23
[ 467.367744][ T7198] pgpgout 23
[ 467.370940][ T7198] pgfault 396
[ 467.374210][ T7198] pgmajfault 0
[ 467.377641][ T7198] inactive_anon 0
[ 467.381601][ T7198] active_anon 0
[ 467.385060][ T7198] inactive_file 0
[ 467.388735][ T7198] active_file 0
[ 467.392193][ T7198] unevictable 0
[ 467.395701][ T7198] hierarchical_memory_limit 8192
[ 467.400641][ T7198] hierarchical_memsw_limit 9223372036854771712
[ 467.406855][ T7198] total_cache 0
[ 467.410319][ T7198] total_rss 0
[ 467.413589][ T7198] total_rss_huge 0
[ 467.417479][ T7198] total_shmem 0
[ 467.420966][ T7198] total_mapped_file 0
[ 467.424932][ T7198] total_dirty 0
[ 467.428454][ T7198] total_writeback 0
[ 467.432269][ T7198] total_workingset_refault_anon 0
[ 467.437357][ T7198] total_workingset_refault_file 0
[ 467.442389][ T7198] total_swap 4096
[ 467.446263][ T7198] total_swapcached 94208
[ 467.450513][ T7198] total_pgpgin 23
[ 467.454170][ T7198] total_pgpgout 23
[ 467.457961][ T7198] total_pgfault 396
[ 467.461777][ T7198] total_pgmajfault 0
[ 467.465706][ T7198] total_inactive_anon 0
[ 467.469876][ T7198] total_active_anon 0
[ 467.473850][ T7198] total_inactive_file 0
[ 467.478066][ T7198] total_active_file 0
[ 467.482406][ T7198] total_unevictable 0
[ 467.486454][ T7198] anon_cost 0
[ 467.490347][ T7198] file_cost 0
[ 467.493619][ T7198] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.420,pid=7197,uid=0
[ 467.509292][ T7198] Memory cgroup out of memory: Killed process 7197 (syz.0.420) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 467.540026][ T7198] Could not create tracefs 'show_event_triggers' entry
[ 467.575777][ T7198] Could not create tracefs 'set_event_pid' entry
[ 467.611089][ T7198] Could not create tracefs 'set_event_notrace_pid' entry
[ 467.645179][ T7198] Could not create tracefs 'events' directory
[ 467.727448][ T7200] syz.0.421 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 467.737292][ T7200] CPU: 0 UID: 0 PID: 7200 Comm: syz.0.421 Not tainted syzkaller #0 PREEMPT(full)
[ 467.737326][ T7200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 467.737344][ T7200] Call Trace:
[ 467.737354][ T7200]
[ 467.737366][ T7200] dump_stack_lvl+0x100/0x190
[ 467.737411][ T7200] dump_header+0xfb/0x606
[ 467.737446][ T7200] oom_kill_process.cold+0xd/0x380
[ 467.737482][ T7200] out_of_memory+0x340/0x14f0
[ 467.737532][ T7200] ? __pfx_out_of_memory+0x10/0x10
[ 467.737573][ T7200] ? srso_alias_return_thunk+0x5/0xfbef5
[ 467.737618][ T7200] mem_cgroup_out_of_memory+0xc6/0x130
[ 467.737653][ T7200] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 467.737685][ T7200] ? find_held_lock+0x2b/0x80
[ 467.737725][ T7200] ? srso_alias_return_thunk+0x5/0xfbef5
[ 467.737760][ T7200] ? do_raw_spin_unlock+0x145/0x1e0
[ 467.737790][ T7200] ? srso_alias_return_thunk+0x5/0xfbef5
[ 467.737825][ T7200] ? _raw_spin_unlock+0x28/0x50
[ 467.737860][ T7200] try_charge_memcg+0x6e1/0xdf0
[ 467.737922][ T7200] ? __pfx_try_charge_memcg+0x10/0x10
[ 467.737965][ T7200] ? srso_alias_return_thunk+0x5/0xfbef5
[ 467.738000][ T7200] ? find_held_lock+0x2b/0x80
[ 467.738036][ T7200] ? rcu_read_unlock+0x17/0x60
[ 467.738081][ T7200] ? rcu_read_unlock+0x17/0x60
[ 467.738124][ T7200] ? srso_alias_return_thunk+0x5/0xfbef5
[ 467.738171][ T7200] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 467.738229][ T7200] ? srso_alias_return_thunk+0x5/0xfbef5
[ 467.738263][ T7200] ? kasan_save_track+0x14/0x30
[ 467.738303][ T7200] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 467.738341][ T7200] ? tracefs_alloc_inode+0x2c/0x140
[ 467.738386][ T7200] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 467.738428][ T7200] tracefs_alloc_inode+0x2c/0x140
[ 467.738468][ T7200] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 467.738510][ T7200] alloc_inode+0x68/0x250
[ 467.738540][ T7200] new_inode+0x22/0x1c0
[ 467.738571][ T7200] tracefs_create_file+0xeb/0x770
[ 467.738619][ T7200] trace_create_file+0x33/0x60
[ 467.738662][ T7200] create_event_toplevel_files+0xaa/0x1a0
[ 467.738709][ T7200] event_trace_add_tracer+0x72/0x260
[ 467.738750][ T7200] trace_array_create_dir+0x8e/0x210
[ 467.738798][ T7200] trace_array_create_systems+0x8b3/0xc30
[ 467.738844][ T7200] instance_mkdir+0xca/0x140
[ 467.738889][ T7200] tracefs_syscall_mkdir+0x10e/0x180
[ 467.738928][ T7200] ? srso_alias_return_thunk+0x5/0xfbef5
[ 467.738965][ T7200] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 467.739016][ T7200] ? srso_alias_return_thunk+0x5/0xfbef5
[ 467.739056][ T7200] vfs_mkdir+0x364/0x850
[ 467.739089][ T7200] filename_mkdirat+0x48b/0x5e0
[ 467.739133][ T7200] ? __pfx_filename_mkdirat+0x10/0x10
[ 467.739173][ T7200] ? strncpy_from_user+0x19d/0x2d0
[ 467.739214][ T7200] ? srso_alias_return_thunk+0x5/0xfbef5
[ 467.739249][ T7200] ? do_getname+0x191/0x390
[ 467.739297][ T7200] __x64_sys_mkdirat+0x89/0xc0
[ 467.739338][ T7200] do_syscall_64+0x123/0x790
[ 467.739379][ T7200] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 467.739409][ T7200] RIP: 0033:0x7f677999e0d9
[ 467.739432][ T7200] 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
[ 467.739460][ T7200] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 467.739487][ T7200] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 467.739507][ T7200] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 467.739526][ T7200] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 467.739544][ T7200] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 467.739562][ T7200] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 467.739600][ T7200]
[ 467.739611][ T7200] memory: usage 8kB, limit 8kB, failcnt 51912
[ 468.108161][ T7200] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 468.115767][ T7200] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 468.122625][ T7200] Memory cgroup stats for /syz0/test:
[ 468.122807][ T7200] cache 0
[ 468.132476][ T7200] rss 0
[ 468.135231][ T7200] rss_huge 0
[ 468.138484][ T7200] shmem 0
[ 468.141423][ T7200] mapped_file 0
[ 468.144881][ T7200] dirty 0
[ 468.147882][ T7200] writeback 0
[ 468.151173][ T7200] workingset_refault_anon 0
[ 468.155726][ T7200] workingset_refault_file 0
[ 468.160235][ T7200] swap 0
[ 468.163082][ T7200] swapcached 94208
[ 468.166849][ T7200] pgpgin 23
[ 468.169994][ T7200] pgpgout 23
[ 468.173180][ T7200] pgfault 398
[ 468.176529][ T7200] pgmajfault 0
[ 468.179906][ T7200] inactive_anon 0
[ 468.183532][ T7200] active_anon 0
[ 468.187154][ T7200] inactive_file 0
[ 468.190814][ T7200] active_file 0
[ 468.194265][ T7200] unevictable 0
[ 468.197789][ T7200] hierarchical_memory_limit 8192
[ 468.203155][ T7200] hierarchical_memsw_limit 9223372036854771712
[ 468.209383][ T7200] total_cache 0
[ 468.212848][ T7200] total_rss 0
[ 468.216405][ T7200] total_rss_huge 0
[ 468.220162][ T7200] total_shmem 0
[ 468.223637][ T7200] total_mapped_file 0
[ 468.227697][ T7200] total_dirty 0
[ 468.231164][ T7200] total_writeback 0
[ 468.234972][ T7200] total_workingset_refault_anon 0
[ 468.240034][ T7200] total_workingset_refault_file 0
[ 468.245062][ T7200] total_swap 0
[ 468.248493][ T7200] total_swapcached 94208
[ 468.252765][ T7200] total_pgpgin 23
[ 468.256465][ T7200] total_pgpgout 23
[ 468.260188][ T7200] total_pgfault 398
[ 468.263981][ T7200] total_pgmajfault 0
[ 468.268051][ T7200] total_inactive_anon 0
[ 468.272231][ T7200] total_active_anon 0
[ 468.276261][ T7200] total_inactive_file 0
[ 468.280426][ T7200] total_active_file 0
[ 468.284398][ T7200] total_unevictable 0
[ 468.288437][ T7200] anon_cost 0
[ 468.291726][ T7200] file_cost 0
[ 468.295441][ T7200] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.421,pid=7199,uid=0
[ 468.311576][ T7200] Memory cgroup out of memory: Killed process 7199 (syz.0.421) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 468.342252][ T7200] Could not create tracefs 'show_event_filters' entry
[ 468.374407][ T7200] Could not create tracefs 'show_event_triggers' entry
[ 468.410165][ T7200] Could not create tracefs 'set_event_pid' entry
[ 468.441056][ T7200] Could not create tracefs 'events' directory
[ 468.523396][ T7202] syz.0.422 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 468.533230][ T7202] CPU: 1 UID: 0 PID: 7202 Comm: syz.0.422 Not tainted syzkaller #0 PREEMPT(full)
[ 468.533265][ T7202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 468.533283][ T7202] Call Trace:
[ 468.533293][ T7202]
[ 468.533305][ T7202] dump_stack_lvl+0x100/0x190
[ 468.533349][ T7202] dump_header+0xfb/0x606
[ 468.533391][ T7202] oom_kill_process.cold+0xd/0x380
[ 468.533427][ T7202] out_of_memory+0x340/0x14f0
[ 468.533477][ T7202] ? __pfx_out_of_memory+0x10/0x10
[ 468.533523][ T7202] ? srso_alias_return_thunk+0x5/0xfbef5
[ 468.533568][ T7202] mem_cgroup_out_of_memory+0xc6/0x130
[ 468.533604][ T7202] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 468.533636][ T7202] ? find_held_lock+0x2b/0x80
[ 468.533676][ T7202] ? srso_alias_return_thunk+0x5/0xfbef5
[ 468.533714][ T7202] ? do_raw_spin_unlock+0x145/0x1e0
[ 468.533744][ T7202] ? srso_alias_return_thunk+0x5/0xfbef5
[ 468.533782][ T7202] ? _raw_spin_unlock+0x28/0x50
[ 468.533822][ T7202] try_charge_memcg+0x6e1/0xdf0
[ 468.533873][ T7202] ? __pfx_try_charge_memcg+0x10/0x10
[ 468.533917][ T7202] ? srso_alias_return_thunk+0x5/0xfbef5
[ 468.533955][ T7202] ? find_held_lock+0x2b/0x80
[ 468.533995][ T7202] ? rcu_read_unlock+0x17/0x60
[ 468.534040][ T7202] ? rcu_read_unlock+0x17/0x60
[ 468.534087][ T7202] ? srso_alias_return_thunk+0x5/0xfbef5
[ 468.534138][ T7202] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 468.534197][ T7202] ? srso_alias_return_thunk+0x5/0xfbef5
[ 468.534232][ T7202] ? kasan_save_track+0x14/0x30
[ 468.534271][ T7202] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 468.534309][ T7202] ? tracefs_alloc_inode+0x2c/0x140
[ 468.534353][ T7202] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 468.534400][ T7202] tracefs_alloc_inode+0x2c/0x140
[ 468.534440][ T7202] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 468.534481][ T7202] alloc_inode+0x68/0x250
[ 468.534514][ T7202] new_inode+0x22/0x1c0
[ 468.534546][ T7202] tracefs_create_file+0xeb/0x770
[ 468.534597][ T7202] trace_create_file+0x33/0x60
[ 468.534644][ T7202] create_event_toplevel_files+0xc8/0x1a0
[ 468.534695][ T7202] event_trace_add_tracer+0x72/0x260
[ 468.534736][ T7202] trace_array_create_dir+0x8e/0x210
[ 468.534783][ T7202] trace_array_create_systems+0x8b3/0xc30
[ 468.534833][ T7202] instance_mkdir+0xca/0x140
[ 468.534874][ T7202] tracefs_syscall_mkdir+0x10e/0x180
[ 468.534916][ T7202] ? srso_alias_return_thunk+0x5/0xfbef5
[ 468.534956][ T7202] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 468.535007][ T7202] ? srso_alias_return_thunk+0x5/0xfbef5
[ 468.535047][ T7202] vfs_mkdir+0x364/0x850
[ 468.535080][ T7202] filename_mkdirat+0x48b/0x5e0
[ 468.535124][ T7202] ? __pfx_filename_mkdirat+0x10/0x10
[ 468.535164][ T7202] ? strncpy_from_user+0x19d/0x2d0
[ 468.535205][ T7202] ? srso_alias_return_thunk+0x5/0xfbef5
[ 468.535240][ T7202] ? do_getname+0x191/0x390
[ 468.535287][ T7202] __x64_sys_mkdirat+0x89/0xc0
[ 468.535328][ T7202] do_syscall_64+0x123/0x790
[ 468.535368][ T7202] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 468.535402][ T7202] RIP: 0033:0x7f677999e0d9
[ 468.535442][ T7202] 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
[ 468.535474][ T7202] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 468.535501][ T7202] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 468.535524][ T7202] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 468.535552][ T7202] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 468.535581][ T7202] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 468.535606][ T7202] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 468.535660][ T7202]
[ 468.895881][ T7202] memory: usage 8kB, limit 8kB, failcnt 52059
[ 468.902634][ T7202] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 468.910141][ T7202] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 468.917440][ T7202] Memory cgroup stats for /syz0/test:
[ 468.917675][ T7202] cache 0
[ 468.926366][ T7202] rss 0
[ 468.929150][ T7202] rss_huge 0
[ 468.932345][ T7202] shmem 0
[ 468.935268][ T7202] mapped_file 0
[ 468.938784][ T7202] dirty 0
[ 468.941733][ T7202] writeback 0
[ 468.945009][ T7202] workingset_refault_anon 0
[ 468.949570][ T7202] workingset_refault_file 0
[ 468.954132][ T7202] swap 0
[ 468.957098][ T7202] swapcached 94208
[ 468.960886][ T7202] pgpgin 23
[ 468.964001][ T7202] pgpgout 23
[ 468.967236][ T7202] pgfault 398
[ 468.970522][ T7202] pgmajfault 0
[ 468.973886][ T7202] inactive_anon 0
[ 468.977564][ T7202] active_anon 0
[ 468.981024][ T7202] inactive_file 0
[ 468.984665][ T7202] active_file 0
[ 468.988275][ T7202] unevictable 0
[ 468.991766][ T7202] hierarchical_memory_limit 8192
[ 468.996740][ T7202] hierarchical_memsw_limit 9223372036854771712
[ 469.002882][ T7202] total_cache 0
[ 469.007613][ T7202] total_rss 0
[ 469.010942][ T7202] total_rss_huge 0
[ 469.014668][ T7202] total_shmem 0
[ 469.018935][ T7202] total_mapped_file 0
[ 469.022971][ T7202] total_dirty 0
[ 469.026470][ T7202] total_writeback 0
[ 469.030275][ T7202] total_workingset_refault_anon 0
[ 469.035290][ T7202] total_workingset_refault_file 0
[ 469.040343][ T7202] total_swap 0
[ 469.043720][ T7202] total_swapcached 94208
[ 469.048022][ T7202] total_pgpgin 23
[ 469.051678][ T7202] total_pgpgout 23
[ 469.055385][ T7202] total_pgfault 398
[ 469.059237][ T7202] total_pgmajfault 0
[ 469.063153][ T7202] total_inactive_anon 0
[ 469.067492][ T7202] total_active_anon 0
[ 469.071514][ T7202] total_inactive_file 0
[ 469.075887][ T7202] total_active_file 0
[ 469.079889][ T7202] total_unevictable 0
[ 469.083978][ T7202] anon_cost 0
[ 469.087556][ T7202] file_cost 0
[ 469.090951][ T7202] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.422,pid=7201,uid=0
[ 469.106875][ T7202] Memory cgroup out of memory: Killed process 7201 (syz.0.422) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 469.136981][ T7202] Could not create tracefs 'show_event_triggers' entry
[ 469.169205][ T7202] Could not create tracefs 'set_event_pid' entry
[ 469.199332][ T7202] Could not create tracefs 'set_event_notrace_pid' entry
[ 469.231587][ T7202] Could not create tracefs 'events' directory
[ 469.312314][ T7205] syz.0.423 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 469.322490][ T7205] CPU: 0 UID: 0 PID: 7205 Comm: syz.0.423 Not tainted syzkaller #0 PREEMPT(full)
[ 469.322525][ T7205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 469.322542][ T7205] Call Trace:
[ 469.322552][ T7205]
[ 469.322563][ T7205] dump_stack_lvl+0x100/0x190
[ 469.322607][ T7205] dump_header+0xfb/0x606
[ 469.322641][ T7205] oom_kill_process.cold+0xd/0x380
[ 469.322678][ T7205] out_of_memory+0x340/0x14f0
[ 469.322727][ T7205] ? __pfx_out_of_memory+0x10/0x10
[ 469.322768][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5
[ 469.322813][ T7205] mem_cgroup_out_of_memory+0xc6/0x130
[ 469.322848][ T7205] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 469.322887][ T7205] ? find_held_lock+0x2b/0x80
[ 469.322927][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5
[ 469.322962][ T7205] ? do_raw_spin_unlock+0x145/0x1e0
[ 469.322991][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5
[ 469.323026][ T7205] ? _raw_spin_unlock+0x28/0x50
[ 469.323061][ T7205] try_charge_memcg+0x6e1/0xdf0
[ 469.323112][ T7205] ? __pfx_try_charge_memcg+0x10/0x10
[ 469.323156][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5
[ 469.323190][ T7205] ? find_held_lock+0x2b/0x80
[ 469.323223][ T7205] ? rcu_read_unlock+0x17/0x60
[ 469.323267][ T7205] ? rcu_read_unlock+0x17/0x60
[ 469.323311][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5
[ 469.323357][ T7205] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 469.323415][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5
[ 469.323450][ T7205] ? kasan_save_track+0x14/0x30
[ 469.323493][ T7205] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 469.323532][ T7205] ? tracefs_alloc_inode+0x2c/0x140
[ 469.323580][ T7205] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 469.323622][ T7205] tracefs_alloc_inode+0x2c/0x140
[ 469.323662][ T7205] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 469.323703][ T7205] alloc_inode+0x68/0x250
[ 469.323733][ T7205] new_inode+0x22/0x1c0
[ 469.323765][ T7205] tracefs_create_file+0xeb/0x770
[ 469.323812][ T7205] trace_create_file+0x33/0x60
[ 469.323855][ T7205] create_event_toplevel_files+0xc8/0x1a0
[ 469.323906][ T7205] event_trace_add_tracer+0x72/0x260
[ 469.323948][ T7205] trace_array_create_dir+0x8e/0x210
[ 469.323995][ T7205] trace_array_create_systems+0x8b3/0xc30
[ 469.324042][ T7205] instance_mkdir+0xca/0x140
[ 469.324083][ T7205] tracefs_syscall_mkdir+0x10e/0x180
[ 469.324121][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5
[ 469.324158][ T7205] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 469.324210][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5
[ 469.324250][ T7205] vfs_mkdir+0x364/0x850
[ 469.324283][ T7205] filename_mkdirat+0x48b/0x5e0
[ 469.324326][ T7205] ? __pfx_filename_mkdirat+0x10/0x10
[ 469.324366][ T7205] ? strncpy_from_user+0x19d/0x2d0
[ 469.324408][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5
[ 469.324442][ T7205] ? do_getname+0x191/0x390
[ 469.324490][ T7205] __x64_sys_mkdirat+0x89/0xc0
[ 469.324531][ T7205] do_syscall_64+0x123/0x790
[ 469.324571][ T7205] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 469.324601][ T7205] RIP: 0033:0x7f677999e0d9
[ 469.324624][ T7205] 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
[ 469.324652][ T7205] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 469.324679][ T7205] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 469.324699][ T7205] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 469.324718][ T7205] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 469.324743][ T7205] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 469.324767][ T7205] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 469.324817][ T7205]
[ 469.325221][ T7205] memory: usage 8kB, limit 8kB, failcnt 52203
[ 469.692865][ T7205] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 469.700742][ T7205] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 469.708019][ T7205] Memory cgroup stats for /syz0/test:
[ 469.708202][ T7205] cache 0
[ 469.716557][ T7205] rss 0
[ 469.719323][ T7205] rss_huge 0
[ 469.722516][ T7205] shmem 0
[ 469.725440][ T7205] mapped_file 0
[ 469.728971][ T7205] dirty 0
[ 469.731911][ T7205] writeback 0
[ 469.735524][ T7205] workingset_refault_anon 0
[ 469.740124][ T7205] workingset_refault_file 0
[ 469.744613][ T7205] swap 0
[ 469.747611][ T7205] swapcached 94208
[ 469.751335][ T7205] pgpgin 23
[ 469.754438][ T7205] pgpgout 23
[ 469.757666][ T7205] pgfault 401
[ 469.760953][ T7205] pgmajfault 0
[ 469.764311][ T7205] inactive_anon 0
[ 469.767976][ T7205] active_anon 0
[ 469.771440][ T7205] inactive_file 0
[ 469.775059][ T7205] active_file 0
[ 469.778547][ T7205] unevictable 0
[ 469.782007][ T7205] hierarchical_memory_limit 8192
[ 469.787118][ T7205] hierarchical_memsw_limit 9223372036854771712
[ 469.793459][ T7205] total_cache 0
[ 469.797093][ T7205] total_rss 0
[ 469.800404][ T7205] total_rss_huge 0
[ 469.804112][ T7205] total_shmem 0
[ 469.807619][ T7205] total_mapped_file 0
[ 469.811612][ T7205] total_dirty 0
[ 469.815077][ T7205] total_writeback 0
[ 469.818947][ T7205] total_workingset_refault_anon 0
[ 469.823984][ T7205] total_workingset_refault_file 0
[ 469.829145][ T7205] total_swap 0
[ 469.832529][ T7205] total_swapcached 94208
[ 469.837193][ T7205] total_pgpgin 23
[ 469.840835][ T7205] total_pgpgout 23
[ 469.844547][ T7205] total_pgfault 401
[ 469.848422][ T7205] total_pgmajfault 0
[ 469.852318][ T7205] total_inactive_anon 0
[ 469.856513][ T7205] total_active_anon 0
[ 469.860499][ T7205] total_inactive_file 0
[ 469.864641][ T7205] total_active_file 0
[ 469.868661][ T7205] total_unevictable 0
[ 469.872668][ T7205] anon_cost 0
[ 469.875986][ T7205] file_cost 0
[ 469.879272][ T7205] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.423,pid=7204,uid=0
[ 469.894992][ T7205] Memory cgroup out of memory: Killed process 7204 (syz.0.423) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 469.926314][ T7205] Could not create tracefs 'show_event_triggers' entry
[ 469.959706][ T7205] Could not create tracefs 'set_event_pid' entry
[ 469.992565][ T7205] Could not create tracefs 'set_event_notrace_pid' entry
[ 470.028713][ T7205] Could not create tracefs 'events' directory
[ 470.109823][ T7207] syz.0.424 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 470.119680][ T7207] CPU: 0 UID: 0 PID: 7207 Comm: syz.0.424 Not tainted syzkaller #0 PREEMPT(full)
[ 470.119714][ T7207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 470.119732][ T7207] Call Trace:
[ 470.119742][ T7207]
[ 470.119753][ T7207] dump_stack_lvl+0x100/0x190
[ 470.119798][ T7207] dump_header+0xfb/0x606
[ 470.119833][ T7207] oom_kill_process.cold+0xd/0x380
[ 470.119877][ T7207] out_of_memory+0x340/0x14f0
[ 470.119927][ T7207] ? __pfx_out_of_memory+0x10/0x10
[ 470.119968][ T7207] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.120014][ T7207] mem_cgroup_out_of_memory+0xc6/0x130
[ 470.120048][ T7207] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 470.120081][ T7207] ? find_held_lock+0x2b/0x80
[ 470.120120][ T7207] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.120155][ T7207] ? do_raw_spin_unlock+0x145/0x1e0
[ 470.120185][ T7207] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.120220][ T7207] ? _raw_spin_unlock+0x28/0x50
[ 470.120254][ T7207] try_charge_memcg+0x6e1/0xdf0
[ 470.120305][ T7207] ? __pfx_try_charge_memcg+0x10/0x10
[ 470.120349][ T7207] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.120384][ T7207] ? find_held_lock+0x2b/0x80
[ 470.120416][ T7207] ? rcu_read_unlock+0x17/0x60
[ 470.120461][ T7207] ? rcu_read_unlock+0x17/0x60
[ 470.120504][ T7207] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.120551][ T7207] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 470.120609][ T7207] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.120644][ T7207] ? kasan_save_track+0x14/0x30
[ 470.120683][ T7207] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 470.120722][ T7207] ? tracefs_alloc_inode+0x2c/0x140
[ 470.120766][ T7207] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 470.120809][ T7207] tracefs_alloc_inode+0x2c/0x140
[ 470.120848][ T7207] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 470.120894][ T7207] alloc_inode+0x68/0x250
[ 470.120924][ T7207] new_inode+0x22/0x1c0
[ 470.120955][ T7207] tracefs_create_file+0xeb/0x770
[ 470.121003][ T7207] trace_create_file+0x33/0x60
[ 470.121046][ T7207] create_event_toplevel_files+0xc8/0x1a0
[ 470.121093][ T7207] event_trace_add_tracer+0x72/0x260
[ 470.121134][ T7207] trace_array_create_dir+0x8e/0x210
[ 470.121186][ T7207] trace_array_create_systems+0x8b3/0xc30
[ 470.121234][ T7207] instance_mkdir+0xca/0x140
[ 470.121276][ T7207] tracefs_syscall_mkdir+0x10e/0x180
[ 470.121315][ T7207] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.121351][ T7207] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 470.121403][ T7207] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.121443][ T7207] vfs_mkdir+0x364/0x850
[ 470.121476][ T7207] filename_mkdirat+0x48b/0x5e0
[ 470.121519][ T7207] ? __pfx_filename_mkdirat+0x10/0x10
[ 470.121559][ T7207] ? strncpy_from_user+0x19d/0x2d0
[ 470.121600][ T7207] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.121635][ T7207] ? do_getname+0x191/0x390
[ 470.121683][ T7207] __x64_sys_mkdirat+0x89/0xc0
[ 470.121724][ T7207] do_syscall_64+0x123/0x790
[ 470.121764][ T7207] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 470.121794][ T7207] RIP: 0033:0x7f677999e0d9
[ 470.121817][ T7207] 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
[ 470.121845][ T7207] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 470.121877][ T7207] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 470.121897][ T7207] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 470.121916][ T7207] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 470.121935][ T7207] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 470.121952][ T7207] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 470.121994][ T7207]
[ 470.122006][ T7207] memory: usage 8kB, limit 8kB, failcnt 52347
[ 470.489610][ T7207] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 470.498612][ T7207] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 470.505460][ T7207] Memory cgroup stats for /syz0/test:
[ 470.505754][ T7207] cache 0
[ 470.514106][ T7207] rss 0
[ 470.517019][ T7207] rss_huge 0
[ 470.520246][ T7207] shmem 0
[ 470.523175][ T7207] mapped_file 0
[ 470.526699][ T7207] dirty 0
[ 470.529639][ T7207] writeback 0
[ 470.532934][ T7207] workingset_refault_anon 0
[ 470.537800][ T7207] workingset_refault_file 0
[ 470.542338][ T7207] swap 0
[ 470.545181][ T7207] swapcached 94208
[ 470.548928][ T7207] pgpgin 23
[ 470.552041][ T7207] pgpgout 23
[ 470.555674][ T7207] pgfault 401
[ 470.558965][ T7207] pgmajfault 0
[ 470.562331][ T7207] inactive_anon 0
[ 470.566101][ T7207] active_anon 0
[ 470.569565][ T7207] inactive_file 0
[ 470.573188][ T7207] active_file 0
[ 470.576687][ T7207] unevictable 0
[ 470.580169][ T7207] hierarchical_memory_limit 8192
[ 470.585094][ T7207] hierarchical_memsw_limit 9223372036854771712
[ 470.591450][ T7207] total_cache 0
[ 470.594935][ T7207] total_rss 0
[ 470.598274][ T7207] total_rss_huge 0
[ 470.601998][ T7207] total_shmem 0
[ 470.605456][ T7207] total_mapped_file 0
[ 470.609473][ T7207] total_dirty 0
[ 470.612933][ T7207] total_writeback 0
[ 470.616784][ T7207] total_workingset_refault_anon 0
[ 470.621812][ T7207] total_workingset_refault_file 0
[ 470.626903][ T7207] total_swap 0
[ 470.630283][ T7207] total_swapcached 94208
[ 470.634539][ T7207] total_pgpgin 23
[ 470.638235][ T7207] total_pgpgout 23
[ 470.641965][ T7207] total_pgfault 401
[ 470.645828][ T7207] total_pgmajfault 0
[ 470.649742][ T7207] total_inactive_anon 0
[ 470.653906][ T7207] total_active_anon 0
[ 470.658364][ T7207] total_inactive_file 0
[ 470.662525][ T7207] total_active_file 0
[ 470.666565][ T7207] total_unevictable 0
[ 470.670547][ T7207] anon_cost 0
[ 470.673820][ T7207] file_cost 0
[ 470.677141][ T7207] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.424,pid=7206,uid=0
[ 470.692900][ T7207] Memory cgroup out of memory: Killed process 7206 (syz.0.424) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 470.721646][ T7207] Could not create tracefs 'show_event_triggers' entry
[ 470.753970][ T7207] Could not create tracefs 'set_event_pid' entry
[ 470.783853][ T7207] Could not create tracefs 'set_event_notrace_pid' entry
[ 470.815171][ T7207] Could not create tracefs 'events' directory
[ 470.873722][ T7209] syz.0.425 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 470.884097][ T7209] CPU: 1 UID: 0 PID: 7209 Comm: syz.0.425 Not tainted syzkaller #0 PREEMPT(full)
[ 470.884143][ T7209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 470.884171][ T7209] Call Trace:
[ 470.884183][ T7209]
[ 470.884197][ T7209] dump_stack_lvl+0x100/0x190
[ 470.884256][ T7209] dump_header+0xfb/0x606
[ 470.884301][ T7209] oom_kill_process.cold+0xd/0x380
[ 470.884339][ T7209] out_of_memory+0x340/0x14f0
[ 470.884389][ T7209] ? __pfx_out_of_memory+0x10/0x10
[ 470.884430][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.884475][ T7209] mem_cgroup_out_of_memory+0xc6/0x130
[ 470.884508][ T7209] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 470.884541][ T7209] ? find_held_lock+0x2b/0x80
[ 470.884580][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.884614][ T7209] ? do_raw_spin_unlock+0x145/0x1e0
[ 470.884644][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.884678][ T7209] ? _raw_spin_unlock+0x28/0x50
[ 470.884712][ T7209] try_charge_memcg+0x6e1/0xdf0
[ 470.884763][ T7209] ? __pfx_try_charge_memcg+0x10/0x10
[ 470.884807][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.884842][ T7209] ? find_held_lock+0x2b/0x80
[ 470.884880][ T7209] ? rcu_read_unlock+0x17/0x60
[ 470.884924][ T7209] ? rcu_read_unlock+0x17/0x60
[ 470.884967][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.885014][ T7209] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 470.885072][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.885107][ T7209] ? kasan_save_track+0x14/0x30
[ 470.885146][ T7209] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 470.885184][ T7209] ? shmem_alloc_inode+0x25/0x50
[ 470.885222][ T7209] ? __pfx_shmem_alloc_inode+0x10/0x10
[ 470.885259][ T7209] shmem_alloc_inode+0x25/0x50
[ 470.885293][ T7209] alloc_inode+0x68/0x250
[ 470.885327][ T7209] new_inode+0x22/0x1c0
[ 470.885358][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.885399][ T7209] shmem_get_inode+0x1e3/0xf70
[ 470.885441][ T7209] ? __pfx_shmem_get_inode+0x10/0x10
[ 470.885478][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.885515][ T7209] ? __pfx_make_vfsuid+0x10/0x10
[ 470.885567][ T7209] shmem_mknod+0x217/0x480
[ 470.885615][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.885659][ T7209] ? __pfx_shmem_mknod+0x10/0x10
[ 470.885695][ T7209] ? security_inode_permission+0xbf/0x250
[ 470.885741][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.885776][ T7209] ? inode_permission+0x374/0x620
[ 470.885830][ T7209] shmem_mkdir+0x31/0x80
[ 470.885873][ T7209] vfs_mkdir+0x364/0x850
[ 470.885906][ T7209] filename_mkdirat+0x48b/0x5e0
[ 470.885950][ T7209] ? __pfx_filename_mkdirat+0x10/0x10
[ 470.885991][ T7209] ? strncpy_from_user+0x19d/0x2d0
[ 470.886032][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5
[ 470.886066][ T7209] ? do_getname+0x191/0x390
[ 470.886113][ T7209] __x64_sys_mkdirat+0x89/0xc0
[ 470.886154][ T7209] do_syscall_64+0x123/0x790
[ 470.886194][ T7209] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 470.886223][ T7209] RIP: 0033:0x7f677999e0d9
[ 470.886246][ T7209] 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
[ 470.886274][ T7209] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 470.886301][ T7209] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 470.886321][ T7209] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 470.886339][ T7209] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
2026/08/24 15:50:51 executed programs: 410
[ 470.886357][ T7209] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 470.886375][ T7209] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 470.886412][ T7209]
[ 471.249651][ T7209] memory: usage 4kB, limit 8kB, failcnt 52495
[ 471.255846][ T7209] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 471.263412][ T7209] kmem: usage 4kB, limit 9007199254740988kB, failcnt 0
[ 471.270324][ T7209] Memory cgroup stats for /syz0/test:
[ 471.271176][ T7209] cache 0
[ 471.279633][ T7209] rss 0
[ 471.282459][ T7209] rss_huge 0
[ 471.285721][ T7209] shmem 0
[ 471.288659][ T7209] mapped_file 0
[ 471.292128][ T7209] dirty 0
[ 471.295065][ T7209] writeback 0
[ 471.298401][ T7209] workingset_refault_anon 0
[ 471.302982][ T7209] workingset_refault_file 0
[ 471.307897][ T7209] swap 0
[ 471.310765][ T7209] swapcached 94208
[ 471.314495][ T7209] pgpgin 23
[ 471.317663][ T7209] pgpgout 23
[ 471.321059][ T7209] pgfault 401
[ 471.324386][ T7209] pgmajfault 0
[ 471.327913][ T7209] inactive_anon 0
[ 471.331701][ T7209] active_anon 0
[ 471.335164][ T7209] inactive_file 0
[ 471.338866][ T7209] active_file 0
[ 471.342344][ T7209] unevictable 0
[ 471.345837][ T7209] hierarchical_memory_limit 8192
[ 471.350776][ T7209] hierarchical_memsw_limit 9223372036854771712
[ 471.357189][ T7209] total_cache 0
[ 471.360737][ T7209] total_rss 0
[ 471.364014][ T7209] total_rss_huge 0
[ 471.368091][ T7209] total_shmem 0
[ 471.371571][ T7209] total_mapped_file 0
[ 471.376212][ T7209] total_dirty 0
[ 471.379703][ T7209] total_writeback 0
[ 471.383495][ T7209] total_workingset_refault_anon 0
[ 471.388551][ T7209] total_workingset_refault_file 0
[ 471.393593][ T7209] total_swap 0
[ 471.397032][ T7209] total_swapcached 94208
[ 471.401305][ T7209] total_pgpgin 23
[ 471.404926][ T7209] total_pgpgout 23
[ 471.408676][ T7209] total_pgfault 401
[ 471.412486][ T7209] total_pgmajfault 0
[ 471.416423][ T7209] total_inactive_anon 0
[ 471.420581][ T7209] total_active_anon 0
[ 471.424547][ T7209] total_inactive_file 0
[ 471.428741][ T7209] total_active_file 0
[ 471.432722][ T7209] total_unevictable 0
[ 471.436869][ T7209] anon_cost 0
[ 471.440181][ T7209] file_cost 0
[ 471.443454][ T7209] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.425,pid=7208,uid=0
[ 471.459161][ T7209] Memory cgroup out of memory: Killed process 7208 (syz.0.425) total-vm:45264kB, anon-rss:1348kB, file-rss:1104kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 471.545279][ T7211] syz.0.426 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 471.555234][ T7211] CPU: 0 UID: 0 PID: 7211 Comm: syz.0.426 Not tainted syzkaller #0 PREEMPT(full)
[ 471.555275][ T7211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 471.555292][ T7211] Call Trace:
[ 471.555303][ T7211]
[ 471.555314][ T7211] dump_stack_lvl+0x100/0x190
[ 471.555369][ T7211] dump_header+0xfb/0x606
[ 471.555403][ T7211] oom_kill_process.cold+0xd/0x380
[ 471.555453][ T7211] out_of_memory+0x340/0x14f0
[ 471.555502][ T7211] ? __pfx_out_of_memory+0x10/0x10
[ 471.555551][ T7211] ? srso_alias_return_thunk+0x5/0xfbef5
[ 471.555612][ T7211] mem_cgroup_out_of_memory+0xc6/0x130
[ 471.555648][ T7211] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 471.555680][ T7211] ? find_held_lock+0x2b/0x80
[ 471.555719][ T7211] ? srso_alias_return_thunk+0x5/0xfbef5
[ 471.555754][ T7211] ? do_raw_spin_unlock+0x145/0x1e0
[ 471.555783][ T7211] ? srso_alias_return_thunk+0x5/0xfbef5
[ 471.555817][ T7211] ? _raw_spin_unlock+0x28/0x50
[ 471.555852][ T7211] try_charge_memcg+0x6e1/0xdf0
[ 471.555902][ T7211] ? __pfx_try_charge_memcg+0x10/0x10
[ 471.555946][ T7211] ? srso_alias_return_thunk+0x5/0xfbef5
[ 471.555980][ T7211] ? find_held_lock+0x2b/0x80
[ 471.556012][ T7211] ? rcu_read_unlock+0x17/0x60
[ 471.556057][ T7211] ? rcu_read_unlock+0x17/0x60
[ 471.556100][ T7211] ? srso_alias_return_thunk+0x5/0xfbef5
[ 471.556146][ T7211] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 471.556204][ T7211] ? srso_alias_return_thunk+0x5/0xfbef5
[ 471.556239][ T7211] ? kasan_save_track+0x14/0x30
[ 471.556278][ T7211] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 471.556316][ T7211] ? tracefs_alloc_inode+0x2c/0x140
[ 471.556360][ T7211] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 471.556407][ T7211] tracefs_alloc_inode+0x2c/0x140
[ 471.556447][ T7211] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 471.556489][ T7211] alloc_inode+0x68/0x250
[ 471.556518][ T7211] new_inode+0x22/0x1c0
[ 471.556550][ T7211] tracefs_create_file+0xeb/0x770
[ 471.556597][ T7211] trace_create_file+0x33/0x60
[ 471.556640][ T7211] create_event_toplevel_files+0xc8/0x1a0
[ 471.556687][ T7211] event_trace_add_tracer+0x72/0x260
[ 471.556728][ T7211] trace_array_create_dir+0x8e/0x210
[ 471.556776][ T7211] trace_array_create_systems+0x8b3/0xc30
[ 471.556822][ T7211] instance_mkdir+0xca/0x140
[ 471.556863][ T7211] tracefs_syscall_mkdir+0x10e/0x180
[ 471.556903][ T7211] ? srso_alias_return_thunk+0x5/0xfbef5
[ 471.556940][ T7211] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 471.556992][ T7211] ? srso_alias_return_thunk+0x5/0xfbef5
[ 471.557032][ T7211] vfs_mkdir+0x364/0x850
[ 471.557066][ T7211] filename_mkdirat+0x48b/0x5e0
[ 471.557110][ T7211] ? __pfx_filename_mkdirat+0x10/0x10
[ 471.557150][ T7211] ? strncpy_from_user+0x19d/0x2d0
[ 471.557191][ T7211] ? srso_alias_return_thunk+0x5/0xfbef5
[ 471.557226][ T7211] ? do_getname+0x191/0x390
[ 471.557274][ T7211] __x64_sys_mkdirat+0x89/0xc0
[ 471.557315][ T7211] do_syscall_64+0x123/0x790
[ 471.557355][ T7211] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 471.557391][ T7211] RIP: 0033:0x7f677999e0d9
[ 471.557418][ T7211] 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
[ 471.557446][ T7211] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 471.557473][ T7211] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 471.557492][ T7211] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 471.557511][ T7211] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 471.557528][ T7211] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 471.557546][ T7211] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 471.557584][ T7211]
[ 471.920361][ T7211] memory: usage 8kB, limit 8kB, failcnt 52550
[ 471.926518][ T7211] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 471.934009][ T7211] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 471.940941][ T7211] Memory cgroup stats for /syz0/test:
[ 471.941181][ T7211] cache 0
[ 471.949531][ T7211] rss 0
[ 471.952281][ T7211] rss_huge 0
[ 471.955466][ T7211] shmem 0
[ 471.958430][ T7211] mapped_file 0
[ 471.961893][ T7211] dirty 0
[ 471.964817][ T7211] writeback 0
[ 471.968167][ T7211] workingset_refault_anon 0
[ 471.972669][ T7211] workingset_refault_file 0
[ 471.977195][ T7211] swap 0
[ 471.980047][ T7211] swapcached 98304
[ 471.983768][ T7211] pgpgin 24
[ 471.986953][ T7211] pgpgout 24
[ 471.990516][ T7211] pgfault 404
[ 471.993824][ T7211] pgmajfault 0
[ 471.997263][ T7211] inactive_anon 0
[ 472.000896][ T7211] active_anon 0
[ 472.004344][ T7211] inactive_file 0
[ 472.008026][ T7211] active_file 0
[ 472.011488][ T7211] unevictable 0
[ 472.014949][ T7211] hierarchical_memory_limit 8192
[ 472.019956][ T7211] hierarchical_memsw_limit 9223372036854771712
[ 472.026209][ T7211] total_cache 0
[ 472.029682][ T7211] total_rss 0
[ 472.032975][ T7211] total_rss_huge 0
[ 472.036759][ T7211] total_shmem 0
[ 472.040249][ T7211] total_mapped_file 0
[ 472.044334][ T7211] total_dirty 0
[ 472.047873][ T7211] total_writeback 0
[ 472.051682][ T7211] total_workingset_refault_anon 0
[ 472.056801][ T7211] total_workingset_refault_file 0
[ 472.061882][ T7211] total_swap 0
[ 472.065273][ T7211] total_swapcached 98304
[ 472.069816][ T7211] total_pgpgin 24
[ 472.073524][ T7211] total_pgpgout 24
[ 472.077303][ T7211] total_pgfault 404
[ 472.081207][ T7211] total_pgmajfault 0
[ 472.085176][ T7211] total_inactive_anon 0
[ 472.089398][ T7211] total_active_anon 0
[ 472.093736][ T7211] total_inactive_file 0
[ 472.097976][ T7211] total_active_file 0
[ 472.101966][ T7211] total_unevictable 0
[ 472.106013][ T7211] anon_cost 0
[ 472.109318][ T7211] file_cost 0
[ 472.112594][ T7211] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.426,pid=7210,uid=0
[ 472.128264][ T7211] Memory cgroup out of memory: Killed process 7210 (syz.0.426) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 472.156885][ T7211] Could not create tracefs 'show_event_triggers' entry
[ 472.179170][ T7211] Could not create tracefs 'set_event_pid' entry
[ 472.205804][ T7211] Could not create tracefs 'set_event_notrace_pid' entry
[ 472.239944][ T7211] Could not create tracefs 'events' directory
[ 472.332367][ T7213] syz.0.427 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 472.342426][ T7213] CPU: 0 UID: 0 PID: 7213 Comm: syz.0.427 Not tainted syzkaller #0 PREEMPT(full)
[ 472.342464][ T7213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 472.342481][ T7213] Call Trace:
[ 472.342491][ T7213]
[ 472.342502][ T7213] dump_stack_lvl+0x100/0x190
[ 472.342547][ T7213] dump_header+0xfb/0x606
[ 472.342581][ T7213] oom_kill_process.cold+0xd/0x380
[ 472.342617][ T7213] out_of_memory+0x340/0x14f0
[ 472.342666][ T7213] ? __pfx_out_of_memory+0x10/0x10
[ 472.342707][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5
[ 472.342752][ T7213] mem_cgroup_out_of_memory+0xc6/0x130
[ 472.342786][ T7213] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 472.342818][ T7213] ? find_held_lock+0x2b/0x80
[ 472.342860][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5
[ 472.342895][ T7213] ? do_raw_spin_unlock+0x145/0x1e0
[ 472.342924][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5
[ 472.342959][ T7213] ? _raw_spin_unlock+0x28/0x50
[ 472.342993][ T7213] try_charge_memcg+0x6e1/0xdf0
[ 472.343044][ T7213] ? __pfx_try_charge_memcg+0x10/0x10
[ 472.343088][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5
[ 472.343122][ T7213] ? find_held_lock+0x2b/0x80
[ 472.343154][ T7213] ? rcu_read_unlock+0x17/0x60
[ 472.343199][ T7213] ? rcu_read_unlock+0x17/0x60
[ 472.343242][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5
[ 472.343289][ T7213] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 472.343348][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5
[ 472.343388][ T7213] ? kasan_save_track+0x14/0x30
[ 472.343427][ T7213] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 472.343466][ T7213] ? tracefs_alloc_inode+0x2c/0x140
[ 472.343510][ T7213] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 472.343552][ T7213] tracefs_alloc_inode+0x2c/0x140
[ 472.343592][ T7213] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 472.343634][ T7213] alloc_inode+0x68/0x250
[ 472.343663][ T7213] new_inode+0x22/0x1c0
[ 472.343695][ T7213] tracefs_create_file+0xeb/0x770
[ 472.343742][ T7213] trace_create_file+0x33/0x60
[ 472.343784][ T7213] create_event_toplevel_files+0xc8/0x1a0
[ 472.343833][ T7213] event_trace_add_tracer+0x72/0x260
[ 472.343885][ T7213] trace_array_create_dir+0x8e/0x210
[ 472.343932][ T7213] trace_array_create_systems+0x8b3/0xc30
[ 472.343979][ T7213] instance_mkdir+0xca/0x140
[ 472.344020][ T7213] tracefs_syscall_mkdir+0x10e/0x180
[ 472.344059][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5
[ 472.344097][ T7213] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 472.344148][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5
[ 472.344189][ T7213] vfs_mkdir+0x364/0x850
[ 472.344223][ T7213] filename_mkdirat+0x48b/0x5e0
[ 472.344267][ T7213] ? __pfx_filename_mkdirat+0x10/0x10
[ 472.344307][ T7213] ? strncpy_from_user+0x19d/0x2d0
[ 472.344348][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5
[ 472.344387][ T7213] ? do_getname+0x191/0x390
[ 472.344435][ T7213] __x64_sys_mkdirat+0x89/0xc0
[ 472.344476][ T7213] do_syscall_64+0x123/0x790
[ 472.344516][ T7213] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 472.344546][ T7213] RIP: 0033:0x7f677999e0d9
[ 472.344569][ T7213] 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
[ 472.344596][ T7213] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 472.344624][ T7213] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 472.344643][ T7213] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 472.344662][ T7213] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 472.344680][ T7213] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 472.344697][ T7213] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 472.344735][ T7213]
[ 472.344747][ T7213] memory: usage 8kB, limit 8kB, failcnt 52707
[ 472.712977][ T7213] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 472.721267][ T7213] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 472.728298][ T7213] Memory cgroup stats for /syz0/test:
[ 472.728568][ T7213] cache 0
[ 472.736986][ T7213] rss 0
[ 472.739797][ T7213] rss_huge 0
[ 472.742985][ T7213] shmem 0
[ 472.745997][ T7213] mapped_file 0
[ 472.749483][ T7213] dirty 0
[ 472.752411][ T7213] writeback 0
[ 472.755767][ T7213] workingset_refault_anon 0
[ 472.760270][ T7213] workingset_refault_file 0
[ 472.764758][ T7213] swap 0
[ 472.767666][ T7213] swapcached 98304
[ 472.771386][ T7213] pgpgin 24
[ 472.774483][ T7213] pgpgout 24
[ 472.777716][ T7213] pgfault 404
[ 472.781001][ T7213] pgmajfault 0
[ 472.784363][ T7213] inactive_anon 0
[ 472.788110][ T7213] active_anon 0
[ 472.791625][ T7213] inactive_file 0
[ 472.795251][ T7213] active_file 0
[ 472.798769][ T7213] unevictable 0
[ 472.802256][ T7213] hierarchical_memory_limit 8192
[ 472.807642][ T7213] hierarchical_memsw_limit 9223372036854771712
[ 472.813887][ T7213] total_cache 0
[ 472.817498][ T7213] total_rss 0
[ 472.820862][ T7213] total_rss_huge 0
[ 472.824582][ T7213] total_shmem 0
[ 472.828215][ T7213] total_mapped_file 0
[ 472.832473][ T7213] total_dirty 0
[ 472.836134][ T7213] total_writeback 0
[ 472.839968][ T7213] total_workingset_refault_anon 0
[ 472.844993][ T7213] total_workingset_refault_file 0
[ 472.850076][ T7213] total_swap 0
[ 472.853482][ T7213] total_swapcached 98304
[ 472.857798][ T7213] total_pgpgin 24
[ 472.861447][ T7213] total_pgpgout 24
[ 472.865164][ T7213] total_pgfault 404
[ 472.869017][ T7213] total_pgmajfault 0
[ 472.872939][ T7213] total_inactive_anon 0
[ 472.877160][ T7213] total_active_anon 0
[ 472.881156][ T7213] total_inactive_file 0
[ 472.885310][ T7213] total_active_file 0
[ 472.890514][ T7213] total_unevictable 0
[ 472.894489][ T7213] anon_cost 0
[ 472.897850][ T7213] file_cost 0
[ 472.901138][ T7213] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.427,pid=7212,uid=0
[ 472.917205][ T7213] Memory cgroup out of memory: Killed process 7212 (syz.0.427) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 472.947997][ T7213] Could not create tracefs 'show_event_triggers' entry
[ 472.980646][ T7213] Could not create tracefs 'set_event_pid' entry
[ 473.012710][ T7213] Could not create tracefs 'set_event_notrace_pid' entry
[ 473.045186][ T7213] Could not create tracefs 'events' directory
[ 473.128614][ T7215] syz.0.428 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 473.138447][ T7215] CPU: 0 UID: 0 PID: 7215 Comm: syz.0.428 Not tainted syzkaller #0 PREEMPT(full)
[ 473.138482][ T7215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 473.138499][ T7215] Call Trace:
[ 473.138509][ T7215]
[ 473.138520][ T7215] dump_stack_lvl+0x100/0x190
[ 473.138565][ T7215] dump_header+0xfb/0x606
[ 473.138599][ T7215] oom_kill_process.cold+0xd/0x380
[ 473.138636][ T7215] out_of_memory+0x340/0x14f0
[ 473.138685][ T7215] ? __pfx_out_of_memory+0x10/0x10
[ 473.138726][ T7215] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.138770][ T7215] mem_cgroup_out_of_memory+0xc6/0x130
[ 473.138805][ T7215] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 473.138837][ T7215] ? find_held_lock+0x2b/0x80
[ 473.138878][ T7215] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.138912][ T7215] ? do_raw_spin_unlock+0x145/0x1e0
[ 473.138941][ T7215] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.138980][ T7215] ? _raw_spin_unlock+0x28/0x50
[ 473.139015][ T7215] try_charge_memcg+0x6e1/0xdf0
[ 473.139065][ T7215] ? __pfx_try_charge_memcg+0x10/0x10
[ 473.139109][ T7215] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.139144][ T7215] ? find_held_lock+0x2b/0x80
[ 473.139175][ T7215] ? rcu_read_unlock+0x17/0x60
[ 473.139220][ T7215] ? rcu_read_unlock+0x17/0x60
[ 473.139264][ T7215] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.139311][ T7215] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 473.139374][ T7215] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.139409][ T7215] ? kasan_save_track+0x14/0x30
[ 473.139448][ T7215] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 473.139487][ T7215] ? tracefs_alloc_inode+0x2c/0x140
[ 473.139531][ T7215] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 473.139574][ T7215] tracefs_alloc_inode+0x2c/0x140
[ 473.139613][ T7215] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 473.139655][ T7215] alloc_inode+0x68/0x250
[ 473.139684][ T7215] new_inode+0x22/0x1c0
[ 473.139716][ T7215] tracefs_create_file+0xeb/0x770
[ 473.139763][ T7215] trace_create_file+0x33/0x60
[ 473.139806][ T7215] create_event_toplevel_files+0xaa/0x1a0
[ 473.139855][ T7215] event_trace_add_tracer+0x72/0x260
[ 473.139896][ T7215] trace_array_create_dir+0x8e/0x210
[ 473.139944][ T7215] trace_array_create_systems+0x8b3/0xc30
[ 473.139990][ T7215] instance_mkdir+0xca/0x140
[ 473.140032][ T7215] tracefs_syscall_mkdir+0x10e/0x180
[ 473.140070][ T7215] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.140108][ T7215] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 473.140160][ T7215] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.140200][ T7215] vfs_mkdir+0x364/0x850
[ 473.140234][ T7215] filename_mkdirat+0x48b/0x5e0
[ 473.140278][ T7215] ? __pfx_filename_mkdirat+0x10/0x10
[ 473.140318][ T7215] ? strncpy_from_user+0x19d/0x2d0
[ 473.140365][ T7215] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.140400][ T7215] ? do_getname+0x191/0x390
[ 473.140449][ T7215] __x64_sys_mkdirat+0x89/0xc0
[ 473.140490][ T7215] do_syscall_64+0x123/0x790
[ 473.140530][ T7215] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 473.140560][ T7215] RIP: 0033:0x7f677999e0d9
[ 473.140583][ T7215] 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
[ 473.140613][ T7215] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 473.140640][ T7215] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 473.140659][ T7215] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 473.140679][ T7215] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 473.140696][ T7215] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 473.140714][ T7215] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 473.140752][ T7215]
[ 473.140762][ T7215] memory: usage 8kB, limit 8kB, failcnt 52854
[ 473.508407][ T7215] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 473.517402][ T7215] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 473.524596][ T7215] Memory cgroup stats for /syz0/test:
[ 473.524834][ T7215] cache 0
[ 473.533307][ T7215] rss 0
[ 473.536439][ T7215] rss_huge 0
[ 473.539703][ T7215] shmem 0
[ 473.542730][ T7215] mapped_file 0
[ 473.546402][ T7215] dirty 0
[ 473.549680][ T7215] writeback 0
[ 473.552985][ T7215] workingset_refault_anon 0
[ 473.557609][ T7215] workingset_refault_file 0
[ 473.562277][ T7215] swap 0
[ 473.565129][ T7215] swapcached 98304
[ 473.568885][ T7215] pgpgin 24
[ 473.571998][ T7215] pgpgout 24
[ 473.575271][ T7215] pgfault 404
[ 473.579125][ T7215] pgmajfault 0
[ 473.582532][ T7215] inactive_anon 0
[ 473.586510][ T7215] active_anon 0
[ 473.589981][ T7215] inactive_file 0
[ 473.593639][ T7215] active_file 0
[ 473.597177][ T7215] unevictable 0
[ 473.600766][ T7215] hierarchical_memory_limit 8192
[ 473.605766][ T7215] hierarchical_memsw_limit 9223372036854771712
[ 473.611931][ T7215] total_cache 0
[ 473.615397][ T7215] total_rss 0
[ 473.618877][ T7215] total_rss_huge 0
[ 473.622643][ T7215] total_shmem 0
[ 473.626629][ T7215] total_mapped_file 0
[ 473.630642][ T7215] total_dirty 0
[ 473.634114][ T7215] total_writeback 0
[ 473.638092][ T7215] total_workingset_refault_anon 0
[ 473.643121][ T7215] total_workingset_refault_file 0
[ 473.648180][ T7215] total_swap 0
[ 473.651553][ T7215] total_swapcached 98304
[ 473.655868][ T7215] total_pgpgin 24
[ 473.659506][ T7215] total_pgpgout 24
[ 473.663234][ T7215] total_pgfault 404
[ 473.667102][ T7215] total_pgmajfault 0
[ 473.671001][ T7215] total_inactive_anon 0
[ 473.675142][ T7215] total_active_anon 0
[ 473.679182][ T7215] total_inactive_file 0
[ 473.683339][ T7215] total_active_file 0
[ 473.687374][ T7215] total_unevictable 0
[ 473.691361][ T7215] anon_cost 0
[ 473.694634][ T7215] file_cost 0
[ 473.697964][ T7215] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.428,pid=7214,uid=0
[ 473.713690][ T7215] Memory cgroup out of memory: Killed process 7214 (syz.0.428) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 473.744681][ T7215] Could not create tracefs 'show_event_filters' entry
[ 473.779916][ T7215] Could not create tracefs 'show_event_triggers' entry
[ 473.814555][ T7215] Could not create tracefs 'set_event_notrace_pid' entry
[ 473.846661][ T7215] Could not create tracefs 'events' directory
[ 473.926454][ T7217] syz.0.429 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 473.936626][ T7217] CPU: 1 UID: 0 PID: 7217 Comm: syz.0.429 Not tainted syzkaller #0 PREEMPT(full)
[ 473.936673][ T7217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 473.936697][ T7217] Call Trace:
[ 473.936709][ T7217]
[ 473.936724][ T7217] dump_stack_lvl+0x100/0x190
[ 473.936782][ T7217] dump_header+0xfb/0x606
[ 473.936829][ T7217] oom_kill_process.cold+0xd/0x380
[ 473.936868][ T7217] out_of_memory+0x340/0x14f0
[ 473.936917][ T7217] ? __pfx_out_of_memory+0x10/0x10
[ 473.936958][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.937002][ T7217] mem_cgroup_out_of_memory+0xc6/0x130
[ 473.937036][ T7217] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 473.937068][ T7217] ? find_held_lock+0x2b/0x80
[ 473.937107][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.937142][ T7217] ? do_raw_spin_unlock+0x145/0x1e0
[ 473.937171][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.937206][ T7217] ? _raw_spin_unlock+0x28/0x50
[ 473.937240][ T7217] try_charge_memcg+0x6e1/0xdf0
[ 473.937290][ T7217] ? __pfx_try_charge_memcg+0x10/0x10
[ 473.937334][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.937372][ T7217] ? find_held_lock+0x2b/0x80
[ 473.937404][ T7217] ? rcu_read_unlock+0x17/0x60
[ 473.937449][ T7217] ? rcu_read_unlock+0x17/0x60
[ 473.937495][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.937542][ T7217] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 473.937600][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.937634][ T7217] ? kasan_save_track+0x14/0x30
[ 473.937674][ T7217] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 473.937712][ T7217] ? tracefs_alloc_inode+0x2c/0x140
[ 473.937759][ T7217] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 473.937802][ T7217] tracefs_alloc_inode+0x2c/0x140
[ 473.937841][ T7217] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 473.937884][ T7217] alloc_inode+0x68/0x250
[ 473.937920][ T7217] new_inode+0x22/0x1c0
[ 473.937964][ T7217] tracefs_create_file+0xeb/0x770
[ 473.938020][ T7217] trace_create_file+0x33/0x60
[ 473.938063][ T7217] create_event_toplevel_files+0xaa/0x1a0
[ 473.938110][ T7217] event_trace_add_tracer+0x72/0x260
[ 473.938151][ T7217] trace_array_create_dir+0x8e/0x210
[ 473.938199][ T7217] trace_array_create_systems+0x8b3/0xc30
[ 473.938245][ T7217] instance_mkdir+0xca/0x140
[ 473.938287][ T7217] tracefs_syscall_mkdir+0x10e/0x180
[ 473.938326][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.938370][ T7217] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 473.938422][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.938463][ T7217] vfs_mkdir+0x364/0x850
[ 473.938496][ T7217] filename_mkdirat+0x48b/0x5e0
[ 473.938540][ T7217] ? __pfx_filename_mkdirat+0x10/0x10
[ 473.938580][ T7217] ? strncpy_from_user+0x19d/0x2d0
[ 473.938622][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5
[ 473.938656][ T7217] ? do_getname+0x191/0x390
[ 473.938704][ T7217] __x64_sys_mkdirat+0x89/0xc0
[ 473.938746][ T7217] do_syscall_64+0x123/0x790
[ 473.938786][ T7217] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 473.938816][ T7217] RIP: 0033:0x7f677999e0d9
[ 473.938840][ T7217] 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
[ 473.938868][ T7217] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 473.938895][ T7217] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 473.938914][ T7217] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 473.938933][ T7217] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 473.938951][ T7217] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 473.938968][ T7217] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 473.939007][ T7217]
[ 473.939042][ T7217] memory: usage 8kB, limit 8kB, failcnt 52998
[ 474.307316][ T7217] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 474.314835][ T7217] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 474.321992][ T7217] Memory cgroup stats for /syz0/test:
[ 474.322240][ T7217] cache 0
[ 474.331033][ T7217] rss 0
[ 474.333816][ T7217] rss_huge 0
[ 474.337066][ T7217] shmem 0
[ 474.340181][ T7217] mapped_file 0
[ 474.343959][ T7217] dirty 0
[ 474.347055][ T7217] writeback 0
[ 474.350558][ T7217] workingset_refault_anon 0
[ 474.355088][ T7217] workingset_refault_file 0
[ 474.359644][ T7217] swap 0
[ 474.362537][ T7217] swapcached 98304
[ 474.366327][ T7217] pgpgin 24
[ 474.369459][ T7217] pgpgout 24
[ 474.372667][ T7217] pgfault 406
[ 474.376079][ T7217] pgmajfault 0
[ 474.379461][ T7217] inactive_anon 0
[ 474.383099][ T7217] active_anon 0
[ 474.386736][ T7217] inactive_file 0
[ 474.390418][ T7217] active_file 0
[ 474.393917][ T7217] unevictable 0
[ 474.397420][ T7217] hierarchical_memory_limit 8192
[ 474.402386][ T7217] hierarchical_memsw_limit 9223372036854771712
[ 474.408604][ T7217] total_cache 0
[ 474.412070][ T7217] total_rss 0
[ 474.415345][ T7217] total_rss_huge 0
[ 474.419115][ T7217] total_shmem 0
[ 474.422594][ T7217] total_mapped_file 0
[ 474.426723][ T7217] total_dirty 0
[ 474.430185][ T7217] total_writeback 0
[ 474.433986][ T7217] total_workingset_refault_anon 0
[ 474.439040][ T7217] total_workingset_refault_file 0
[ 474.444064][ T7217] total_swap 0
[ 474.447864][ T7217] total_swapcached 98304
[ 474.452112][ T7217] total_pgpgin 24
[ 474.455790][ T7217] total_pgpgout 24
[ 474.459516][ T7217] total_pgfault 406
[ 474.463312][ T7217] total_pgmajfault 0
[ 474.467269][ T7217] total_inactive_anon 0
[ 474.471430][ T7217] total_active_anon 0
[ 474.475433][ T7217] total_inactive_file 0
[ 474.479725][ T7217] total_active_file 0
[ 474.483714][ T7217] total_unevictable 0
[ 474.487744][ T7217] anon_cost 0
[ 474.491047][ T7217] file_cost 0
[ 474.494321][ T7217] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.429,pid=7216,uid=0
[ 474.510182][ T7217] Memory cgroup out of memory: Killed process 7216 (syz.0.429) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 474.538203][ T7217] Could not create tracefs 'show_event_filters' entry
[ 474.570850][ T7217] Could not create tracefs 'show_event_triggers' entry
[ 474.601063][ T7217] Could not create tracefs 'set_event_pid' entry
[ 474.631302][ T7217] Could not create tracefs 'set_event_notrace_pid' entry
[ 474.663408][ T7217] Could not create tracefs 'events' directory
[ 474.742602][ T7219] syz.0.430 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 474.752861][ T7219] CPU: 0 UID: 0 PID: 7219 Comm: syz.0.430 Not tainted syzkaller #0 PREEMPT(full)
[ 474.752907][ T7219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 474.752932][ T7219] Call Trace:
[ 474.752944][ T7219]
[ 474.752958][ T7219] dump_stack_lvl+0x100/0x190
[ 474.753016][ T7219] dump_header+0xfb/0x606
[ 474.753059][ T7219] oom_kill_process.cold+0xd/0x380
[ 474.753095][ T7219] out_of_memory+0x340/0x14f0
[ 474.753144][ T7219] ? __pfx_out_of_memory+0x10/0x10
[ 474.753185][ T7219] ? srso_alias_return_thunk+0x5/0xfbef5
[ 474.753230][ T7219] mem_cgroup_out_of_memory+0xc6/0x130
[ 474.753263][ T7219] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 474.753296][ T7219] ? find_held_lock+0x2b/0x80
[ 474.753335][ T7219] ? srso_alias_return_thunk+0x5/0xfbef5
[ 474.753371][ T7219] ? do_raw_spin_unlock+0x145/0x1e0
[ 474.753400][ T7219] ? srso_alias_return_thunk+0x5/0xfbef5
[ 474.753434][ T7219] ? _raw_spin_unlock+0x28/0x50
[ 474.753469][ T7219] try_charge_memcg+0x6e1/0xdf0
[ 474.753519][ T7219] ? __pfx_try_charge_memcg+0x10/0x10
[ 474.753565][ T7219] ? srso_alias_return_thunk+0x5/0xfbef5
[ 474.753607][ T7219] ? find_held_lock+0x2b/0x80
[ 474.753640][ T7219] ? rcu_read_unlock+0x17/0x60
[ 474.753684][ T7219] ? rcu_read_unlock+0x17/0x60
[ 474.753727][ T7219] ? srso_alias_return_thunk+0x5/0xfbef5
[ 474.753774][ T7219] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 474.753834][ T7219] ? srso_alias_return_thunk+0x5/0xfbef5
[ 474.753874][ T7219] ? kasan_save_track+0x14/0x30
[ 474.753914][ T7219] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 474.753952][ T7219] ? tracefs_alloc_inode+0x2c/0x140
[ 474.753996][ T7219] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 474.754039][ T7219] tracefs_alloc_inode+0x2c/0x140
[ 474.754078][ T7219] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 474.754120][ T7219] alloc_inode+0x68/0x250
[ 474.754150][ T7219] new_inode+0x22/0x1c0
[ 474.754181][ T7219] tracefs_create_file+0xeb/0x770
[ 474.754229][ T7219] trace_create_file+0x33/0x60
[ 474.754272][ T7219] create_event_toplevel_files+0xaa/0x1a0
[ 474.754319][ T7219] event_trace_add_tracer+0x72/0x260
[ 474.754360][ T7219] trace_array_create_dir+0x8e/0x210
[ 474.754408][ T7219] trace_array_create_systems+0x8b3/0xc30
[ 474.754454][ T7219] instance_mkdir+0xca/0x140
[ 474.754496][ T7219] tracefs_syscall_mkdir+0x10e/0x180
[ 474.754535][ T7219] ? srso_alias_return_thunk+0x5/0xfbef5
[ 474.754572][ T7219] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 474.754624][ T7219] ? srso_alias_return_thunk+0x5/0xfbef5
[ 474.754664][ T7219] vfs_mkdir+0x364/0x850
[ 474.754698][ T7219] filename_mkdirat+0x48b/0x5e0
[ 474.754742][ T7219] ? __pfx_filename_mkdirat+0x10/0x10
[ 474.754783][ T7219] ? strncpy_from_user+0x19d/0x2d0
[ 474.754824][ T7219] ? srso_alias_return_thunk+0x5/0xfbef5
[ 474.754863][ T7219] ? do_getname+0x191/0x390
[ 474.754912][ T7219] __x64_sys_mkdirat+0x89/0xc0
[ 474.754953][ T7219] do_syscall_64+0x123/0x790
[ 474.754993][ T7219] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 474.755023][ T7219] RIP: 0033:0x7f677999e0d9
[ 474.755046][ T7219] 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
[ 474.755074][ T7219] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 474.755101][ T7219] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 474.755121][ T7219] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 474.755140][ T7219] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 474.755158][ T7219] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 474.755175][ T7219] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 474.755213][ T7219]
[ 474.755246][ T7219] memory: usage 8kB, limit 8kB, failcnt 53181
[ 475.122660][ T7219] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 475.130238][ T7219] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 475.137267][ T7219] Memory cgroup stats for /syz0/test:
[ 475.137493][ T7219] cache 0
[ 475.145946][ T7219] rss 0
[ 475.148711][ T7219] rss_huge 0
[ 475.151936][ T7219] shmem 0
[ 475.154860][ T7219] mapped_file 0
[ 475.158439][ T7219] dirty 0
[ 475.161378][ T7219] writeback 0
[ 475.165048][ T7219] workingset_refault_anon 0
[ 475.169715][ T7219] workingset_refault_file 0
[ 475.174218][ T7219] swap 0
[ 475.177128][ T7219] swapcached 98304
[ 475.180875][ T7219] pgpgin 24
[ 475.183998][ T7219] pgpgout 24
[ 475.187261][ T7219] pgfault 406
[ 475.190548][ T7219] pgmajfault 0
[ 475.193911][ T7219] inactive_anon 0
[ 475.197619][ T7219] active_anon 0
[ 475.201124][ T7219] inactive_file 0
[ 475.204768][ T7219] active_file 0
[ 475.208324][ T7219] unevictable 0
[ 475.211793][ T7219] hierarchical_memory_limit 8192
[ 475.216799][ T7219] hierarchical_memsw_limit 9223372036854771712
[ 475.222956][ T7219] total_cache 0
[ 475.226659][ T7219] total_rss 0
[ 475.230034][ T7219] total_rss_huge 0
[ 475.233759][ T7219] total_shmem 0
[ 475.237300][ T7219] total_mapped_file 0
[ 475.241283][ T7219] total_dirty 0
[ 475.244747][ T7219] total_writeback 0
[ 475.248696][ T7219] total_workingset_refault_anon 0
[ 475.253748][ T7219] total_workingset_refault_file 0
[ 475.258877][ T7219] total_swap 0
[ 475.262268][ T7219] total_swapcached 98304
[ 475.267031][ T7219] total_pgpgin 24
[ 475.270678][ T7219] total_pgpgout 24
[ 475.274386][ T7219] total_pgfault 406
[ 475.278263][ T7219] total_pgmajfault 0
[ 475.282178][ T7219] total_inactive_anon 0
[ 475.286402][ T7219] total_active_anon 0
[ 475.290385][ T7219] total_inactive_file 0
[ 475.294546][ T7219] total_active_file 0
[ 475.298560][ T7219] total_unevictable 0
[ 475.302540][ T7219] anon_cost 0
[ 475.306083][ T7219] file_cost 0
[ 475.309395][ T7219] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.430,pid=7218,uid=0
[ 475.325234][ T7219] Memory cgroup out of memory: Killed process 7218 (syz.0.430) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 475.353617][ T7219] Could not create tracefs 'show_event_filters' entry
[ 475.385821][ T7219] Could not create tracefs 'show_event_triggers' entry
[ 475.419835][ T7219] Could not create tracefs 'set_event_pid' entry
[ 475.449884][ T7219] Could not create tracefs 'set_event_notrace_pid' entry
[ 475.482072][ T7219] Could not create tracefs 'events' directory
[ 475.564170][ T7221] syz.0.431 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 475.574628][ T7221] CPU: 1 UID: 0 PID: 7221 Comm: syz.0.431 Not tainted syzkaller #0 PREEMPT(full)
[ 475.574675][ T7221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 475.574699][ T7221] Call Trace:
[ 475.574711][ T7221]
[ 475.574726][ T7221] dump_stack_lvl+0x100/0x190
[ 475.574784][ T7221] dump_header+0xfb/0x606
[ 475.574829][ T7221] oom_kill_process.cold+0xd/0x380
[ 475.574869][ T7221] out_of_memory+0x340/0x14f0
[ 475.574928][ T7221] ? __pfx_out_of_memory+0x10/0x10
[ 475.574974][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5
[ 475.575021][ T7221] mem_cgroup_out_of_memory+0xc6/0x130
[ 475.575054][ T7221] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 475.575087][ T7221] ? find_held_lock+0x2b/0x80
[ 475.575126][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5
[ 475.575163][ T7221] ? do_raw_spin_unlock+0x145/0x1e0
[ 475.575193][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5
[ 475.575229][ T7221] ? _raw_spin_unlock+0x28/0x50
[ 475.575265][ T7221] try_charge_memcg+0x6e1/0xdf0
[ 475.575316][ T7221] ? __pfx_try_charge_memcg+0x10/0x10
[ 475.575362][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5
[ 475.575397][ T7221] ? find_held_lock+0x2b/0x80
[ 475.575446][ T7221] ? rcu_read_unlock+0x17/0x60
[ 475.575490][ T7221] ? rcu_read_unlock+0x17/0x60
[ 475.575535][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5
[ 475.575597][ T7221] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 475.575658][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5
[ 475.575693][ T7221] ? kasan_save_track+0x14/0x30
[ 475.575733][ T7221] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 475.575777][ T7221] ? tracefs_alloc_inode+0x2c/0x140
[ 475.575821][ T7221] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 475.575864][ T7221] tracefs_alloc_inode+0x2c/0x140
[ 475.575909][ T7221] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 475.575951][ T7221] alloc_inode+0x68/0x250
[ 475.575980][ T7221] new_inode+0x22/0x1c0
[ 475.576012][ T7221] tracefs_create_file+0xeb/0x770
[ 475.576062][ T7221] trace_create_file+0x33/0x60
[ 475.576106][ T7221] create_event_toplevel_files+0xaa/0x1a0
[ 475.576154][ T7221] event_trace_add_tracer+0x72/0x260
[ 475.576194][ T7221] trace_array_create_dir+0x8e/0x210
[ 475.576242][ T7221] trace_array_create_systems+0x8b3/0xc30
[ 475.576289][ T7221] instance_mkdir+0xca/0x140
[ 475.576330][ T7221] tracefs_syscall_mkdir+0x10e/0x180
[ 475.576369][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5
[ 475.576408][ T7221] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 475.576459][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5
[ 475.576500][ T7221] vfs_mkdir+0x364/0x850
[ 475.576534][ T7221] filename_mkdirat+0x48b/0x5e0
[ 475.576578][ T7221] ? __pfx_filename_mkdirat+0x10/0x10
[ 475.576618][ T7221] ? strncpy_from_user+0x19d/0x2d0
[ 475.576659][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5
[ 475.576694][ T7221] ? do_getname+0x191/0x390
[ 475.576742][ T7221] __x64_sys_mkdirat+0x89/0xc0
[ 475.576782][ T7221] do_syscall_64+0x123/0x790
[ 475.576824][ T7221] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 475.576854][ T7221] RIP: 0033:0x7f677999e0d9
[ 475.576882][ T7221] 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
[ 475.576910][ T7221] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 475.576938][ T7221] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 475.576957][ T7221] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 475.576975][ T7221] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 475.576993][ T7221] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 475.577010][ T7221] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 475.577048][ T7221]
[ 475.936208][ T7221] memory: usage 8kB, limit 8kB, failcnt 53364
[ 475.942327][ T7221] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 475.950209][ T7221] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 475.957231][ T7221] Memory cgroup stats for /syz0/test:
[ 475.957476][ T7221] cache 0
[ 475.966346][ T7221] rss 0
[ 475.969146][ T7221] rss_huge 0
[ 475.972348][ T7221] shmem 0
[ 475.975279][ T7221] mapped_file 0
[ 475.978789][ T7221] dirty 0
[ 475.982067][ T7221] writeback 0
[ 475.985380][ T7221] workingset_refault_anon 0
[ 475.989927][ T7221] workingset_refault_file 0
[ 475.994442][ T7221] swap 0
[ 475.997319][ T7221] swapcached 98304
[ 476.001044][ T7221] pgpgin 24
[ 476.004146][ T7221] pgpgout 24
[ 476.007369][ T7221] pgfault 409
[ 476.010674][ T7221] pgmajfault 0
[ 476.014034][ T7221] inactive_anon 0
[ 476.017696][ T7221] active_anon 0
[ 476.021156][ T7221] inactive_file 0
[ 476.024782][ T7221] active_file 0
[ 476.028381][ T7221] unevictable 0
[ 476.031902][ T7221] hierarchical_memory_limit 8192
[ 476.036909][ T7221] hierarchical_memsw_limit 9223372036854771712
[ 476.043082][ T7221] total_cache 0
[ 476.046796][ T7221] total_rss 0
[ 476.050109][ T7221] total_rss_huge 0
[ 476.053818][ T7221] total_shmem 0
[ 476.057863][ T7221] total_mapped_file 0
[ 476.061890][ T7221] total_dirty 0
[ 476.065408][ T7221] total_writeback 0
[ 476.069280][ T7221] total_workingset_refault_anon 0
[ 476.074374][ T7221] total_workingset_refault_file 0
[ 476.079598][ T7221] total_swap 0
[ 476.083072][ T7221] total_swapcached 98304
[ 476.087779][ T7221] total_pgpgin 24
[ 476.091463][ T7221] total_pgpgout 24
[ 476.095173][ T7221] total_pgfault 409
[ 476.099020][ T7221] total_pgmajfault 0
[ 476.102915][ T7221] total_inactive_anon 0
[ 476.107098][ T7221] total_active_anon 0
[ 476.111080][ T7221] total_inactive_file 0
[ 476.115224][ T7221] total_active_file 0
[ 476.119236][ T7221] total_unevictable 0
[ 476.123218][ T7221] anon_cost 0
[ 476.126566][ T7221] file_cost 0
[ 476.129857][ T7221] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.431,pid=7220,uid=0
[ 476.145520][ T7221] Memory cgroup out of memory: Killed process 7220 (syz.0.431) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 476.175120][ T7221] Could not create tracefs 'show_event_filters' entry
[ 476.207283][ T7221] Could not create tracefs 'show_event_triggers' entry
[ 476.238183][ T7221] Could not create tracefs 'set_event_notrace_pid' entry
[ 476.269744][ T7221] Could not create tracefs 'events' directory
2026/08/24 15:50:56 executed programs: 417
[ 476.352507][ T7223] syz.0.432 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 476.362348][ T7223] CPU: 0 UID: 0 PID: 7223 Comm: syz.0.432 Not tainted syzkaller #0 PREEMPT(full)
[ 476.362400][ T7223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 476.362417][ T7223] Call Trace:
[ 476.362428][ T7223]
[ 476.362439][ T7223] dump_stack_lvl+0x100/0x190
[ 476.362483][ T7223] dump_header+0xfb/0x606
[ 476.362518][ T7223] oom_kill_process.cold+0xd/0x380
[ 476.362554][ T7223] out_of_memory+0x340/0x14f0
[ 476.362603][ T7223] ? __pfx_out_of_memory+0x10/0x10
[ 476.362644][ T7223] ? srso_alias_return_thunk+0x5/0xfbef5
[ 476.362689][ T7223] mem_cgroup_out_of_memory+0xc6/0x130
[ 476.362727][ T7223] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 476.362759][ T7223] ? find_held_lock+0x2b/0x80
[ 476.362799][ T7223] ? srso_alias_return_thunk+0x5/0xfbef5
[ 476.362833][ T7223] ? do_raw_spin_unlock+0x145/0x1e0
[ 476.362862][ T7223] ? srso_alias_return_thunk+0x5/0xfbef5
[ 476.362897][ T7223] ? _raw_spin_unlock+0x28/0x50
[ 476.362931][ T7223] try_charge_memcg+0x6e1/0xdf0
[ 476.362982][ T7223] ? __pfx_try_charge_memcg+0x10/0x10
[ 476.363026][ T7223] ? srso_alias_return_thunk+0x5/0xfbef5
[ 476.363064][ T7223] ? find_held_lock+0x2b/0x80
[ 476.363096][ T7223] ? rcu_read_unlock+0x17/0x60
[ 476.363140][ T7223] ? rcu_read_unlock+0x17/0x60
[ 476.363184][ T7223] ? srso_alias_return_thunk+0x5/0xfbef5
[ 476.363231][ T7223] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 476.363289][ T7223] ? srso_alias_return_thunk+0x5/0xfbef5
[ 476.363324][ T7223] ? kasan_save_track+0x14/0x30
[ 476.363368][ T7223] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 476.363406][ T7223] ? tracefs_alloc_inode+0x2c/0x140
[ 476.363451][ T7223] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 476.363493][ T7223] tracefs_alloc_inode+0x2c/0x140
[ 476.363533][ T7223] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 476.363575][ T7223] alloc_inode+0x68/0x250
[ 476.363604][ T7223] new_inode+0x22/0x1c0
[ 476.363648][ T7223] tracefs_create_file+0xeb/0x770
[ 476.363696][ T7223] trace_create_file+0x33/0x60
[ 476.363742][ T7223] create_event_toplevel_files+0xc8/0x1a0
[ 476.363790][ T7223] event_trace_add_tracer+0x72/0x260
[ 476.363838][ T7223] trace_array_create_dir+0x8e/0x210
[ 476.363887][ T7223] trace_array_create_systems+0x8b3/0xc30
[ 476.363933][ T7223] instance_mkdir+0xca/0x140
[ 476.363981][ T7223] tracefs_syscall_mkdir+0x10e/0x180
[ 476.364020][ T7223] ? srso_alias_return_thunk+0x5/0xfbef5
[ 476.364058][ T7223] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 476.364109][ T7223] ? srso_alias_return_thunk+0x5/0xfbef5
[ 476.364150][ T7223] vfs_mkdir+0x364/0x850
[ 476.364184][ T7223] filename_mkdirat+0x48b/0x5e0
[ 476.364228][ T7223] ? __pfx_filename_mkdirat+0x10/0x10
[ 476.364268][ T7223] ? strncpy_from_user+0x19d/0x2d0
[ 476.364309][ T7223] ? srso_alias_return_thunk+0x5/0xfbef5
[ 476.364344][ T7223] ? do_getname+0x191/0x390
[ 476.364396][ T7223] __x64_sys_mkdirat+0x89/0xc0
[ 476.364437][ T7223] do_syscall_64+0x123/0x790
[ 476.364477][ T7223] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 476.364507][ T7223] RIP: 0033:0x7f677999e0d9
[ 476.364530][ T7223] 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
[ 476.364557][ T7223] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 476.364584][ T7223] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 476.364603][ T7223] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 476.364622][ T7223] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 476.364640][ T7223] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 476.364658][ T7223] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 476.364697][ T7223]
[ 476.364707][ T7223] memory: usage 8kB, limit 8kB, failcnt 53508
[ 476.732898][ T7223] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 476.740473][ T7223] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 476.747439][ T7223] Memory cgroup stats for /syz0/test:
[ 476.747678][ T7223] cache 0
[ 476.756031][ T7223] rss 0
[ 476.758819][ T7223] rss_huge 0
[ 476.762014][ T7223] shmem 0
[ 476.764939][ T7223] mapped_file 0
[ 476.768454][ T7223] dirty 0
[ 476.771391][ T7223] writeback 0
[ 476.774664][ T7223] workingset_refault_anon 0
[ 476.779195][ T7223] workingset_refault_file 0
[ 476.783896][ T7223] swap 0
[ 476.786779][ T7223] swapcached 98304
[ 476.790502][ T7223] pgpgin 24
[ 476.793607][ T7223] pgpgout 24
[ 476.796874][ T7223] pgfault 409
[ 476.800575][ T7223] pgmajfault 0
[ 476.803972][ T7223] inactive_anon 0
[ 476.807671][ T7223] active_anon 0
[ 476.811142][ T7223] inactive_file 0
[ 476.814784][ T7223] active_file 0
[ 476.818320][ T7223] unevictable 0
[ 476.821800][ T7223] hierarchical_memory_limit 8192
[ 476.826807][ T7223] hierarchical_memsw_limit 9223372036854771712
[ 476.832974][ T7223] total_cache 0
[ 476.836482][ T7223] total_rss 0
[ 476.839787][ T7223] total_rss_huge 0
[ 476.843618][ T7223] total_shmem 0
[ 476.847122][ T7223] total_mapped_file 0
[ 476.851101][ T7223] total_dirty 0
[ 476.854549][ T7223] total_writeback 0
[ 476.858418][ T7223] total_workingset_refault_anon 0
[ 476.863453][ T7223] total_workingset_refault_file 0
[ 476.868537][ T7223] total_swap 0
[ 476.871907][ T7223] total_swapcached 98304
[ 476.876305][ T7223] total_pgpgin 24
[ 476.879973][ T7223] total_pgpgout 24
[ 476.883686][ T7223] total_pgfault 409
[ 476.887562][ T7223] total_pgmajfault 0
[ 476.891459][ T7223] total_inactive_anon 0
[ 476.895649][ T7223] total_active_anon 0
[ 476.899628][ T7223] total_inactive_file 0
[ 476.904184][ T7223] total_active_file 0
[ 476.908213][ T7223] total_unevictable 0
[ 476.912193][ T7223] anon_cost 0
[ 476.915466][ T7223] file_cost 0
[ 476.918790][ T7223] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.432,pid=7222,uid=0
[ 476.934504][ T7223] Memory cgroup out of memory: Killed process 7222 (syz.0.432) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 476.963029][ T7223] Could not create tracefs 'show_event_triggers' entry
[ 476.993890][ T7223] Could not create tracefs 'set_event_pid' entry
[ 477.025288][ T7223] Could not create tracefs 'set_event_notrace_pid' entry
[ 477.057176][ T7223] Could not create tracefs 'events' directory
[ 477.139355][ T7225] syz.0.433 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 477.149245][ T7225] CPU: 0 UID: 0 PID: 7225 Comm: syz.0.433 Not tainted syzkaller #0 PREEMPT(full)
[ 477.149288][ T7225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 477.149310][ T7225] Call Trace:
[ 477.149320][ T7225]
[ 477.149331][ T7225] dump_stack_lvl+0x100/0x190
[ 477.149381][ T7225] dump_header+0xfb/0x606
[ 477.149418][ T7225] oom_kill_process.cold+0xd/0x380
[ 477.149455][ T7225] out_of_memory+0x340/0x14f0
[ 477.149504][ T7225] ? __pfx_out_of_memory+0x10/0x10
[ 477.149545][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5
[ 477.149589][ T7225] mem_cgroup_out_of_memory+0xc6/0x130
[ 477.149624][ T7225] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 477.149656][ T7225] ? find_held_lock+0x2b/0x80
[ 477.149696][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5
[ 477.149734][ T7225] ? do_raw_spin_unlock+0x145/0x1e0
[ 477.149763][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5
[ 477.149798][ T7225] ? _raw_spin_unlock+0x28/0x50
[ 477.149833][ T7225] try_charge_memcg+0x6e1/0xdf0
[ 477.149885][ T7225] ? __pfx_try_charge_memcg+0x10/0x10
[ 477.149929][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5
[ 477.149964][ T7225] ? find_held_lock+0x2b/0x80
[ 477.149996][ T7225] ? rcu_read_unlock+0x17/0x60
[ 477.150041][ T7225] ? rcu_read_unlock+0x17/0x60
[ 477.150084][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5
[ 477.150131][ T7225] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 477.150190][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5
[ 477.150224][ T7225] ? kasan_save_track+0x14/0x30
[ 477.150263][ T7225] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 477.150301][ T7225] ? __d_alloc+0x35/0xa50
[ 477.150349][ T7225] __d_alloc+0x35/0xa50
[ 477.150399][ T7225] d_alloc+0x4a/0x1e0
[ 477.150443][ T7225] lookup_one_qstr_excl+0x171/0x250
[ 477.150493][ T7225] start_dirop+0x59/0xb0
[ 477.150528][ T7225] simple_start_creating+0xf9/0x110
[ 477.150567][ T7225] ? __pfx_simple_start_creating+0x10/0x10
[ 477.150604][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5
[ 477.150641][ T7225] ? mntput+0x70/0xa0
[ 477.150681][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5
[ 477.150726][ T7225] ? simple_pin_fs+0xa3/0x190
[ 477.150767][ T7225] tracefs_start_creating+0x69/0x140
[ 477.150812][ T7225] tracefs_create_file+0x99/0x770
[ 477.150858][ T7225] trace_create_file+0x33/0x60
[ 477.150903][ T7225] create_event_toplevel_files+0xaa/0x1a0
[ 477.150951][ T7225] event_trace_add_tracer+0x72/0x260
[ 477.150992][ T7225] trace_array_create_dir+0x8e/0x210
[ 477.151040][ T7225] trace_array_create_systems+0x8b3/0xc30
[ 477.151086][ T7225] instance_mkdir+0xca/0x140
[ 477.151128][ T7225] tracefs_syscall_mkdir+0x10e/0x180
[ 477.151167][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5
[ 477.151204][ T7225] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 477.151256][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5
[ 477.151296][ T7225] vfs_mkdir+0x364/0x850
[ 477.151329][ T7225] filename_mkdirat+0x48b/0x5e0
[ 477.151377][ T7225] ? __pfx_filename_mkdirat+0x10/0x10
[ 477.151417][ T7225] ? strncpy_from_user+0x19d/0x2d0
[ 477.151458][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5
[ 477.151492][ T7225] ? do_getname+0x191/0x390
[ 477.151540][ T7225] __x64_sys_mkdirat+0x89/0xc0
[ 477.151580][ T7225] do_syscall_64+0x123/0x790
[ 477.151621][ T7225] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 477.151650][ T7225] RIP: 0033:0x7f677999e0d9
[ 477.151675][ T7225] 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
[ 477.151703][ T7225] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 477.151731][ T7225] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 477.151750][ T7225] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 477.151770][ T7225] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 477.151788][ T7225] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 477.151805][ T7225] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 477.151844][ T7225]
[ 477.151855][ T7225] memory: usage 8kB, limit 8kB, failcnt 53655
[ 477.549043][ T7225] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 477.556838][ T7225] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 477.563753][ T7225] Memory cgroup stats for /syz0/test:
[ 477.563958][ T7225] cache 0
[ 477.572682][ T7225] rss 0
[ 477.575716][ T7225] rss_huge 0
[ 477.578962][ T7225] shmem 0
[ 477.582185][ T7225] mapped_file 0
[ 477.585687][ T7225] dirty 0
[ 477.588624][ T7225] writeback 0
[ 477.591896][ T7225] workingset_refault_anon 0
[ 477.596575][ T7225] workingset_refault_file 0
[ 477.601105][ T7225] swap 0
[ 477.603988][ T7225] swapcached 98304
[ 477.607771][ T7225] pgpgin 24
[ 477.610934][ T7225] pgpgout 24
[ 477.614138][ T7225] pgfault 409
[ 477.617485][ T7225] pgmajfault 0
[ 477.621252][ T7225] inactive_anon 0
[ 477.624891][ T7225] active_anon 0
[ 477.628515][ T7225] inactive_file 0
[ 477.632184][ T7225] active_file 0
[ 477.635708][ T7225] unevictable 0
[ 477.639170][ T7225] hierarchical_memory_limit 8192
[ 477.644123][ T7225] hierarchical_memsw_limit 9223372036854771712
[ 477.650315][ T7225] total_cache 0
[ 477.653776][ T7225] total_rss 0
[ 477.657219][ T7225] total_rss_huge 0
[ 477.660965][ T7225] total_shmem 0
[ 477.664429][ T7225] total_mapped_file 0
[ 477.668458][ T7225] total_dirty 0
[ 477.671926][ T7225] total_writeback 0
[ 477.675785][ T7225] total_workingset_refault_anon 0
[ 477.680813][ T7225] total_workingset_refault_file 0
[ 477.685876][ T7225] total_swap 0
[ 477.689275][ T7225] total_swapcached 98304
[ 477.693504][ T7225] total_pgpgin 24
[ 477.697194][ T7225] total_pgpgout 24
[ 477.700939][ T7225] total_pgfault 409
[ 477.704754][ T7225] total_pgmajfault 0
[ 477.708686][ T7225] total_inactive_anon 0
[ 477.712842][ T7225] total_active_anon 0
[ 477.716859][ T7225] total_inactive_file 0
[ 477.721022][ T7225] total_active_file 0
[ 477.725467][ T7225] total_unevictable 0
[ 477.729537][ T7225] anon_cost 0
[ 477.732823][ T7225] file_cost 0
[ 477.736278][ T7225] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.433,pid=7224,uid=0
[ 477.752038][ T7225] Memory cgroup out of memory: Killed process 7224 (syz.0.433) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 477.781177][ T7225] Could not create tracefs 'show_event_filters' entry
[ 477.812624][ T7225] Could not create tracefs 'show_event_triggers' entry
[ 477.844510][ T7225] Could not create tracefs 'set_event_pid' entry
[ 477.875983][ T7225] Could not create tracefs 'set_event_notrace_pid' entry
[ 477.908150][ T7225] Could not create tracefs 'events' directory
[ 477.990653][ T7227] syz.0.434 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 478.000488][ T7227] CPU: 1 UID: 0 PID: 7227 Comm: syz.0.434 Not tainted syzkaller #0 PREEMPT(full)
[ 478.000527][ T7227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 478.000544][ T7227] Call Trace:
[ 478.000555][ T7227]
[ 478.000566][ T7227] dump_stack_lvl+0x100/0x190
[ 478.000610][ T7227] dump_header+0xfb/0x606
[ 478.000644][ T7227] oom_kill_process.cold+0xd/0x380
[ 478.000680][ T7227] out_of_memory+0x340/0x14f0
[ 478.000730][ T7227] ? __pfx_out_of_memory+0x10/0x10
[ 478.000770][ T7227] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.000815][ T7227] mem_cgroup_out_of_memory+0xc6/0x130
[ 478.000850][ T7227] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 478.000883][ T7227] ? find_held_lock+0x2b/0x80
[ 478.000923][ T7227] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.000957][ T7227] ? do_raw_spin_unlock+0x145/0x1e0
[ 478.000987][ T7227] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.001022][ T7227] ? _raw_spin_unlock+0x28/0x50
[ 478.001056][ T7227] try_charge_memcg+0x6e1/0xdf0
[ 478.001107][ T7227] ? __pfx_try_charge_memcg+0x10/0x10
[ 478.001151][ T7227] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.001186][ T7227] ? find_held_lock+0x2b/0x80
[ 478.001218][ T7227] ? rcu_read_unlock+0x17/0x60
[ 478.001264][ T7227] ? rcu_read_unlock+0x17/0x60
[ 478.001307][ T7227] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.001354][ T7227] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 478.001418][ T7227] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.001453][ T7227] ? kasan_save_track+0x14/0x30
[ 478.001492][ T7227] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 478.001530][ T7227] ? tracefs_alloc_inode+0x2c/0x140
[ 478.001574][ T7227] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 478.001616][ T7227] tracefs_alloc_inode+0x2c/0x140
[ 478.001655][ T7227] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 478.001697][ T7227] alloc_inode+0x68/0x250
[ 478.001727][ T7227] new_inode+0x22/0x1c0
[ 478.001759][ T7227] tracefs_create_file+0xeb/0x770
[ 478.001806][ T7227] trace_create_file+0x33/0x60
[ 478.001849][ T7227] create_event_toplevel_files+0xaa/0x1a0
[ 478.001896][ T7227] event_trace_add_tracer+0x72/0x260
[ 478.001937][ T7227] trace_array_create_dir+0x8e/0x210
[ 478.001985][ T7227] trace_array_create_systems+0x8b3/0xc30
[ 478.002031][ T7227] instance_mkdir+0xca/0x140
[ 478.002073][ T7227] tracefs_syscall_mkdir+0x10e/0x180
[ 478.002111][ T7227] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.002148][ T7227] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 478.002200][ T7227] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.002240][ T7227] vfs_mkdir+0x364/0x850
[ 478.002273][ T7227] filename_mkdirat+0x48b/0x5e0
[ 478.002316][ T7227] ? __pfx_filename_mkdirat+0x10/0x10
[ 478.002356][ T7227] ? strncpy_from_user+0x19d/0x2d0
[ 478.002400][ T7227] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.002435][ T7227] ? do_getname+0x191/0x390
[ 478.002483][ T7227] __x64_sys_mkdirat+0x89/0xc0
[ 478.002523][ T7227] do_syscall_64+0x123/0x790
[ 478.002564][ T7227] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 478.002593][ T7227] RIP: 0033:0x7f677999e0d9
[ 478.002617][ T7227] 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
[ 478.002644][ T7227] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 478.002671][ T7227] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 478.002691][ T7227] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 478.002710][ T7227] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 478.002728][ T7227] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 478.002746][ T7227] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 478.002803][ T7227]
[ 478.002814][ T7227] memory: usage 8kB, limit 8kB, failcnt 53838
[ 478.371081][ T7227] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 478.379286][ T7227] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 478.386230][ T7227] Memory cgroup stats for /syz0/test:
[ 478.386423][ T7227] cache 0
[ 478.394717][ T7227] rss 0
[ 478.397517][ T7227] rss_huge 0
[ 478.400715][ T7227] shmem 0
[ 478.403667][ T7227] mapped_file 0
[ 478.407308][ T7227] dirty 0
[ 478.410294][ T7227] writeback 0
[ 478.413567][ T7227] workingset_refault_anon 0
[ 478.418123][ T7227] workingset_refault_file 0
[ 478.422626][ T7227] swap 0
[ 478.427321][ T7227] swapcached 98304
[ 478.431074][ T7227] pgpgin 24
[ 478.434177][ T7227] pgpgout 24
[ 478.437524][ T7227] pgfault 412
[ 478.441200][ T7227] pgmajfault 0
[ 478.444602][ T7227] inactive_anon 0
[ 478.448267][ T7227] active_anon 0
[ 478.451725][ T7227] inactive_file 0
[ 478.455360][ T7227] active_file 0
[ 478.458860][ T7227] unevictable 0
[ 478.462323][ T7227] hierarchical_memory_limit 8192
[ 478.467304][ T7227] hierarchical_memsw_limit 9223372036854771712
[ 478.473465][ T7227] total_cache 0
[ 478.476955][ T7227] total_rss 0
[ 478.480242][ T7227] total_rss_huge 0
[ 478.483956][ T7227] total_shmem 0
[ 478.487496][ T7227] total_mapped_file 0
[ 478.491490][ T7227] total_dirty 0
[ 478.494958][ T7227] total_writeback 0
[ 478.498825][ T7227] total_workingset_refault_anon 0
[ 478.503867][ T7227] total_workingset_refault_file 0
[ 478.514272][ T7227] total_swap 0
[ 478.517692][ T7227] total_swapcached 98304
[ 478.521938][ T7227] total_pgpgin 24
[ 478.525756][ T7227] total_pgpgout 24
[ 478.529480][ T7227] total_pgfault 412
[ 478.533277][ T7227] total_pgmajfault 0
[ 478.537202][ T7227] total_inactive_anon 0
[ 478.541720][ T7227] total_active_anon 0
[ 478.545778][ T7227] total_inactive_file 0
[ 478.549958][ T7227] total_active_file 0
[ 478.553927][ T7227] total_unevictable 0
[ 478.558121][ T7227] anon_cost 0
[ 478.561410][ T7227] file_cost 0
[ 478.564685][ T7227] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.434,pid=7226,uid=0
[ 478.580472][ T7227] Memory cgroup out of memory: Killed process 7226 (syz.0.434) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 478.610926][ T7227] Could not create tracefs 'show_event_filters' entry
[ 478.643044][ T7227] Could not create tracefs 'show_event_triggers' entry
[ 478.674172][ T7227] Could not create tracefs 'set_event_pid' entry
[ 478.704883][ T7227] Could not create tracefs 'set_event_notrace_pid' entry
[ 478.736048][ T7227] Could not create tracefs 'events' directory
[ 478.821008][ T7229] syz.0.435 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 478.830872][ T7229] CPU: 0 UID: 0 PID: 7229 Comm: syz.0.435 Not tainted syzkaller #0 PREEMPT(full)
[ 478.830923][ T7229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 478.830947][ T7229] Call Trace:
[ 478.830960][ T7229]
[ 478.830975][ T7229] dump_stack_lvl+0x100/0x190
[ 478.831036][ T7229] dump_header+0xfb/0x606
[ 478.831084][ T7229] oom_kill_process.cold+0xd/0x380
[ 478.831136][ T7229] out_of_memory+0x340/0x14f0
[ 478.831206][ T7229] ? __pfx_out_of_memory+0x10/0x10
[ 478.831264][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.831329][ T7229] mem_cgroup_out_of_memory+0xc6/0x130
[ 478.831378][ T7229] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 478.831422][ T7229] ? find_held_lock+0x2b/0x80
[ 478.831479][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.831528][ T7229] ? do_raw_spin_unlock+0x145/0x1e0
[ 478.831571][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.831620][ T7229] ? _raw_spin_unlock+0x28/0x50
[ 478.831670][ T7229] try_charge_memcg+0x6e1/0xdf0
[ 478.831743][ T7229] ? __pfx_try_charge_memcg+0x10/0x10
[ 478.831806][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.831856][ T7229] ? find_held_lock+0x2b/0x80
[ 478.831907][ T7229] ? rcu_read_unlock+0x17/0x60
[ 478.831967][ T7229] ? rcu_read_unlock+0x17/0x60
[ 478.832019][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.832066][ T7229] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 478.832124][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.832159][ T7229] ? kasan_save_track+0x14/0x30
[ 478.832198][ T7229] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 478.832236][ T7229] ? __d_alloc+0x35/0xa50
[ 478.832285][ T7229] __d_alloc+0x35/0xa50
[ 478.832341][ T7229] d_alloc+0x4a/0x1e0
[ 478.832384][ T7229] lookup_one_qstr_excl+0x171/0x250
[ 478.832436][ T7229] start_dirop+0x59/0xb0
[ 478.832471][ T7229] simple_start_creating+0xf9/0x110
[ 478.832510][ T7229] ? __pfx_simple_start_creating+0x10/0x10
[ 478.832547][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.832584][ T7229] ? mntput+0x70/0xa0
[ 478.832618][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.832652][ T7229] ? simple_pin_fs+0xa3/0x190
[ 478.832688][ T7229] tracefs_start_creating+0x69/0x140
[ 478.832733][ T7229] tracefs_create_file+0x99/0x770
[ 478.832780][ T7229] trace_create_file+0x33/0x60
[ 478.832824][ T7229] create_event_toplevel_files+0xaa/0x1a0
[ 478.832870][ T7229] event_trace_add_tracer+0x72/0x260
[ 478.832915][ T7229] trace_array_create_dir+0x8e/0x210
[ 478.832963][ T7229] trace_array_create_systems+0x8b3/0xc30
[ 478.833009][ T7229] instance_mkdir+0xca/0x140
[ 478.833050][ T7229] tracefs_syscall_mkdir+0x10e/0x180
[ 478.833088][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.833126][ T7229] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 478.833177][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.833217][ T7229] vfs_mkdir+0x364/0x850
[ 478.833250][ T7229] filename_mkdirat+0x48b/0x5e0
[ 478.833294][ T7229] ? __pfx_filename_mkdirat+0x10/0x10
[ 478.833334][ T7229] ? strncpy_from_user+0x19d/0x2d0
[ 478.833375][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5
[ 478.833411][ T7229] ? do_getname+0x191/0x390
[ 478.833459][ T7229] __x64_sys_mkdirat+0x89/0xc0
[ 478.833499][ T7229] do_syscall_64+0x123/0x790
[ 478.833539][ T7229] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 478.833569][ T7229] RIP: 0033:0x7f677999e0d9
[ 478.833593][ T7229] 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
[ 478.833621][ T7229] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 478.833649][ T7229] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 478.833668][ T7229] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 478.833687][ T7229] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 478.833705][ T7229] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 478.833723][ T7229] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 478.833762][ T7229]
[ 478.833772][ T7229] memory: usage 8kB, limit 8kB, failcnt 54021
[ 479.231272][ T7229] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 479.240373][ T7229] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 479.247313][ T7229] Memory cgroup stats for /syz0/test:
[ 479.247558][ T7229] cache 0
[ 479.255873][ T7229] rss 0
[ 479.259161][ T7229] rss_huge 0
[ 479.262397][ T7229] shmem 0
[ 479.265326][ T7229] mapped_file 0
[ 479.268839][ T7229] dirty 0
[ 479.271804][ T7229] writeback 0
[ 479.275079][ T7229] workingset_refault_anon 0
[ 479.280021][ T7229] workingset_refault_file 0
[ 479.284547][ T7229] swap 0
[ 479.287550][ T7229] swapcached 98304
[ 479.291285][ T7229] pgpgin 24
[ 479.294403][ T7229] pgpgout 24
[ 479.297660][ T7229] pgfault 412
[ 479.300954][ T7229] pgmajfault 0
[ 479.304333][ T7229] inactive_anon 0
[ 479.308058][ T7229] active_anon 0
[ 479.311520][ T7229] inactive_file 0
[ 479.315140][ T7229] active_file 0
[ 479.318636][ T7229] unevictable 0
[ 479.322124][ T7229] hierarchical_memory_limit 8192
[ 479.327144][ T7229] hierarchical_memsw_limit 9223372036854771712
[ 479.333312][ T7229] total_cache 0
[ 479.336826][ T7229] total_rss 0
[ 479.340113][ T7229] total_rss_huge 0
[ 479.343842][ T7229] total_shmem 0
[ 479.347337][ T7229] total_mapped_file 0
[ 479.351325][ T7229] total_dirty 0
[ 479.354779][ T7229] total_writeback 0
[ 479.358621][ T7229] total_workingset_refault_anon 0
[ 479.364041][ T7229] total_workingset_refault_file 0
[ 479.369130][ T7229] total_swap 0
[ 479.372527][ T7229] total_swapcached 98304
[ 479.376800][ T7229] total_pgpgin 24
[ 479.380435][ T7229] total_pgpgout 24
[ 479.384143][ T7229] total_pgfault 412
[ 479.388409][ T7229] total_pgmajfault 0
[ 479.392332][ T7229] total_inactive_anon 0
[ 479.396547][ T7229] total_active_anon 0
[ 479.400536][ T7229] total_inactive_file 0
[ 479.404703][ T7229] total_active_file 0
[ 479.408864][ T7229] total_unevictable 0
[ 479.412854][ T7229] anon_cost 0
[ 479.416191][ T7229] file_cost 0
[ 479.419491][ T7229] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.435,pid=7228,uid=0
[ 479.435393][ T7229] Memory cgroup out of memory: Killed process 7228 (syz.0.435) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 479.466815][ T7229] Could not create tracefs 'show_event_filters' entry
[ 479.501523][ T7229] Could not create tracefs 'show_event_triggers' entry
[ 479.536607][ T7229] Could not create tracefs 'set_event_pid' entry
[ 479.570963][ T7229] Could not create tracefs 'set_event_notrace_pid' entry
[ 479.601803][ T7229] Could not create tracefs 'events' directory
[ 479.663265][ T7231] syz.0.436 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 479.673567][ T7231] CPU: 0 UID: 0 PID: 7231 Comm: syz.0.436 Not tainted syzkaller #0 PREEMPT(full)
[ 479.673613][ T7231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 479.673638][ T7231] Call Trace:
[ 479.673651][ T7231]
[ 479.673666][ T7231] dump_stack_lvl+0x100/0x190
[ 479.673724][ T7231] dump_header+0xfb/0x606
[ 479.673771][ T7231] oom_kill_process.cold+0xd/0x380
[ 479.673810][ T7231] out_of_memory+0x340/0x14f0
[ 479.673862][ T7231] ? __pfx_out_of_memory+0x10/0x10
[ 479.673903][ T7231] ? srso_alias_return_thunk+0x5/0xfbef5
[ 479.673949][ T7231] mem_cgroup_out_of_memory+0xc6/0x130
[ 479.673983][ T7231] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 479.674016][ T7231] ? find_held_lock+0x2b/0x80
[ 479.674055][ T7231] ? srso_alias_return_thunk+0x5/0xfbef5
[ 479.674090][ T7231] ? do_raw_spin_unlock+0x145/0x1e0
[ 479.674120][ T7231] ? srso_alias_return_thunk+0x5/0xfbef5
[ 479.674155][ T7231] ? _raw_spin_unlock+0x28/0x50
[ 479.674189][ T7231] try_charge_memcg+0x6e1/0xdf0
[ 479.674239][ T7231] ? __pfx_try_charge_memcg+0x10/0x10
[ 479.674283][ T7231] ? srso_alias_return_thunk+0x5/0xfbef5
[ 479.674318][ T7231] ? find_held_lock+0x2b/0x80
[ 479.674356][ T7231] ? rcu_read_unlock+0x17/0x60
[ 479.674401][ T7231] ? rcu_read_unlock+0x17/0x60
[ 479.674444][ T7231] ? srso_alias_return_thunk+0x5/0xfbef5
[ 479.674491][ T7231] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 479.674548][ T7231] ? srso_alias_return_thunk+0x5/0xfbef5
[ 479.674583][ T7231] ? kasan_save_track+0x14/0x30
[ 479.674625][ T7231] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 479.674663][ T7231] ? __d_alloc+0x35/0xa50
[ 479.674711][ T7231] __d_alloc+0x35/0xa50
[ 479.674757][ T7231] d_alloc+0x4a/0x1e0
[ 479.674801][ T7231] lookup_one_qstr_excl+0x171/0x250
[ 479.674846][ T7231] ? mnt_want_write+0x164/0x420
[ 479.674884][ T7231] filename_create+0x1cf/0x400
[ 479.674917][ T7231] ? __pfx_filename_create+0x10/0x10
[ 479.674952][ T7231] ? srso_alias_return_thunk+0x5/0xfbef5
[ 479.674989][ T7231] ? srso_alias_return_thunk+0x5/0xfbef5
[ 479.675023][ T7231] ? find_held_lock+0x2b/0x80
[ 479.675060][ T7231] filename_mkdirat+0xb9/0x5e0
[ 479.675104][ T7231] ? __pfx_filename_mkdirat+0x10/0x10
[ 479.675143][ T7231] ? srso_alias_return_thunk+0x5/0xfbef5
[ 479.675177][ T7231] ? strncpy_from_user+0x19d/0x2d0
[ 479.675217][ T7231] ? srso_alias_return_thunk+0x5/0xfbef5
[ 479.675252][ T7231] ? do_getname+0x191/0x390
[ 479.675300][ T7231] __x64_sys_mkdirat+0x89/0xc0
[ 479.675345][ T7231] do_syscall_64+0x123/0x790
[ 479.675393][ T7231] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 479.675442][ T7231] RIP: 0033:0x7f677999e0d9
[ 479.675466][ T7231] 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
[ 479.675494][ T7231] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 479.675521][ T7231] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 479.675546][ T7231] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 479.675572][ T7231] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 479.675597][ T7231] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 479.675621][ T7231] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 479.675669][ T7231]
[ 479.998621][ T7231] memory: usage 8kB, limit 8kB, failcnt 54201
[ 480.005296][ T7231] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 480.012793][ T7231] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 480.019736][ T7231] Memory cgroup stats for /syz0/test:
[ 480.019921][ T7231] cache 0
[ 480.028254][ T7231] rss 0
[ 480.031019][ T7231] rss_huge 0
[ 480.034228][ T7231] shmem 0
[ 480.037200][ T7231] mapped_file 0
[ 480.040667][ T7231] dirty 0
[ 480.043623][ T7231] writeback 0
[ 480.046944][ T7231] workingset_refault_anon 0
[ 480.051450][ T7231] workingset_refault_file 0
[ 480.055996][ T7231] swap 0
[ 480.058919][ T7231] swapcached 98304
[ 480.062677][ T7231] pgpgin 24
[ 480.065910][ T7231] pgpgout 24
[ 480.069262][ T7231] pgfault 412
[ 480.072558][ T7231] pgmajfault 0
[ 480.075973][ T7231] inactive_anon 0
[ 480.080233][ T7231] active_anon 0
[ 480.083754][ T7231] inactive_file 0
[ 480.087435][ T7231] active_file 0
[ 480.091055][ T7231] unevictable 0
[ 480.094527][ T7231] hierarchical_memory_limit 8192
[ 480.099513][ T7231] hierarchical_memsw_limit 9223372036854771712
[ 480.106515][ T7231] total_cache 0
[ 480.110001][ T7231] total_rss 0
[ 480.113282][ T7231] total_rss_huge 0
[ 480.117036][ T7231] total_shmem 0
[ 480.120712][ T7231] total_mapped_file 0
[ 480.124714][ T7231] total_dirty 0
[ 480.128235][ T7231] total_writeback 0
[ 480.132206][ T7231] total_workingset_refault_anon 0
[ 480.137286][ T7231] total_workingset_refault_file 0
[ 480.142464][ T7231] total_swap 0
[ 480.145881][ T7231] total_swapcached 98304
[ 480.150264][ T7231] total_pgpgin 24
[ 480.153919][ T7231] total_pgpgout 24
[ 480.157682][ T7231] total_pgfault 412
[ 480.161648][ T7231] total_pgmajfault 0
[ 480.166825][ T7231] total_inactive_anon 0
[ 480.171018][ T7231] total_active_anon 0
[ 480.174986][ T7231] total_inactive_file 0
[ 480.179561][ T7231] total_active_file 0
[ 480.183756][ T7231] total_unevictable 0
[ 480.188153][ T7231] anon_cost 0
[ 480.191464][ T7231] file_cost 0
[ 480.194911][ T7231] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.436,pid=7230,uid=0
[ 480.211258][ T7231] Memory cgroup out of memory: Killed process 7230 (syz.0.436) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 480.302372][ T7233] syz.0.437 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 480.312189][ T7233] CPU: 1 UID: 0 PID: 7233 Comm: syz.0.437 Not tainted syzkaller #0 PREEMPT(full)
[ 480.312223][ T7233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 480.312240][ T7233] Call Trace:
[ 480.312250][ T7233]
[ 480.312261][ T7233] dump_stack_lvl+0x100/0x190
[ 480.312305][ T7233] dump_header+0xfb/0x606
[ 480.312338][ T7233] oom_kill_process.cold+0xd/0x380
[ 480.312375][ T7233] out_of_memory+0x340/0x14f0
[ 480.312424][ T7233] ? __pfx_out_of_memory+0x10/0x10
[ 480.312465][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5
[ 480.312510][ T7233] mem_cgroup_out_of_memory+0xc6/0x130
[ 480.312544][ T7233] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 480.312577][ T7233] ? find_held_lock+0x2b/0x80
[ 480.312616][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5
[ 480.312651][ T7233] ? do_raw_spin_unlock+0x145/0x1e0
[ 480.312683][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5
[ 480.312719][ T7233] ? _raw_spin_unlock+0x28/0x50
[ 480.312753][ T7233] try_charge_memcg+0x6e1/0xdf0
[ 480.312804][ T7233] ? __pfx_try_charge_memcg+0x10/0x10
[ 480.312849][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5
[ 480.312884][ T7233] ? find_held_lock+0x2b/0x80
[ 480.312921][ T7233] ? rcu_read_unlock+0x17/0x60
[ 480.312966][ T7233] ? rcu_read_unlock+0x17/0x60
[ 480.313009][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5
[ 480.313056][ T7233] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 480.313114][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5
[ 480.313149][ T7233] ? kasan_save_track+0x14/0x30
[ 480.313188][ T7233] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 480.313227][ T7233] ? tracefs_alloc_inode+0x2c/0x140
[ 480.313271][ T7233] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 480.313313][ T7233] tracefs_alloc_inode+0x2c/0x140
[ 480.313353][ T7233] ? __pfx_tracefs_alloc_inode+0x10/0x10
[ 480.313394][ T7233] alloc_inode+0x68/0x250
[ 480.313424][ T7233] new_inode+0x22/0x1c0
[ 480.313455][ T7233] tracefs_create_file+0xeb/0x770
[ 480.313502][ T7233] trace_create_file+0x33/0x60
[ 480.313545][ T7233] create_event_toplevel_files+0xc8/0x1a0
[ 480.313593][ T7233] event_trace_add_tracer+0x72/0x260
[ 480.313633][ T7233] trace_array_create_dir+0x8e/0x210
[ 480.313681][ T7233] trace_array_create_systems+0x8b3/0xc30
[ 480.313727][ T7233] instance_mkdir+0xca/0x140
[ 480.313769][ T7233] tracefs_syscall_mkdir+0x10e/0x180
[ 480.313809][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5
[ 480.313846][ T7233] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 480.313902][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5
[ 480.313943][ T7233] vfs_mkdir+0x364/0x850
[ 480.313976][ T7233] filename_mkdirat+0x48b/0x5e0
[ 480.314020][ T7233] ? __pfx_filename_mkdirat+0x10/0x10
[ 480.314061][ T7233] ? strncpy_from_user+0x19d/0x2d0
[ 480.314101][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5
[ 480.314135][ T7233] ? do_getname+0x191/0x390
[ 480.314183][ T7233] __x64_sys_mkdirat+0x89/0xc0
[ 480.314224][ T7233] do_syscall_64+0x123/0x790
[ 480.314263][ T7233] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 480.314293][ T7233] RIP: 0033:0x7f677999e0d9
[ 480.314316][ T7233] 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
[ 480.314344][ T7233] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 480.314371][ T7233] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 480.314390][ T7233] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 480.314408][ T7233] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 480.314426][ T7233] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 480.314444][ T7233] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 480.314482][ T7233]
[ 480.314493][ T7233] memory: usage 8kB, limit 8kB, failcnt 54245
[ 480.682474][ T7233] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 480.691109][ T7233] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 480.698591][ T7233] Memory cgroup stats for /syz0/test:
[ 480.698795][ T7233] cache 0
[ 480.707153][ T7233] rss 0
[ 480.709922][ T7233] rss_huge 0
[ 480.713130][ T7233] shmem 0
[ 480.716096][ T7233] mapped_file 0
[ 480.719555][ T7233] dirty 0
[ 480.722508][ T7233] writeback 0
[ 480.725843][ T7233] workingset_refault_anon 0
[ 480.730348][ T7233] workingset_refault_file 0
[ 480.734842][ T7233] swap 0
[ 480.737741][ T7233] swapcached 98304
[ 480.741464][ T7233] pgpgin 24
[ 480.744564][ T7233] pgpgout 24
[ 480.747845][ T7233] pgfault 414
[ 480.751131][ T7233] pgmajfault 0
[ 480.754497][ T7233] inactive_anon 0
[ 480.758200][ T7233] active_anon 0
[ 480.761674][ T7233] inactive_file 0
[ 480.765403][ T7233] active_file 0
[ 480.768907][ T7233] unevictable 0
[ 480.772382][ T7233] hierarchical_memory_limit 8192
[ 480.777381][ T7233] hierarchical_memsw_limit 9223372036854771712
[ 480.783547][ T7233] total_cache 0
[ 480.787077][ T7233] total_rss 0
[ 480.790392][ T7233] total_rss_huge 0
[ 480.794436][ T7233] total_shmem 0
[ 480.798069][ T7233] total_mapped_file 0
[ 480.802085][ T7233] total_dirty 0
[ 480.805592][ T7233] total_writeback 0
[ 480.809424][ T7233] total_workingset_refault_anon 0
[ 480.814459][ T7233] total_workingset_refault_file 0
[ 480.819546][ T7233] total_swap 0
[ 480.822921][ T7233] total_swapcached 98304
[ 480.827212][ T7233] total_pgpgin 24
[ 480.830845][ T7233] total_pgpgout 24
[ 480.834556][ T7233] total_pgfault 414
[ 480.838398][ T7233] total_pgmajfault 0
[ 480.842295][ T7233] total_inactive_anon 0
[ 480.846508][ T7233] total_active_anon 0
[ 480.850491][ T7233] total_inactive_file 0
[ 480.854639][ T7233] total_active_file 0
[ 480.858681][ T7233] total_unevictable 0
[ 480.862662][ T7233] anon_cost 0
[ 480.865979][ T7233] file_cost 0
[ 480.869266][ T7233] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.437,pid=7232,uid=0
[ 480.884951][ T7233] Memory cgroup out of memory: Killed process 7232 (syz.0.437) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 480.914675][ T7233] Could not create tracefs 'show_event_triggers' entry
[ 480.945615][ T7233] Could not create tracefs 'set_event_pid' entry
[ 480.976045][ T7233] Could not create tracefs 'set_event_notrace_pid' entry
[ 481.008187][ T7233] Could not create tracefs 'events' directory
[ 481.089192][ T7235] syz.0.438 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 481.099035][ T7235] CPU: 1 UID: 0 PID: 7235 Comm: syz.0.438 Not tainted syzkaller #0 PREEMPT(full)
[ 481.099079][ T7235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 481.099096][ T7235] Call Trace:
[ 481.099106][ T7235]
[ 481.099117][ T7235] dump_stack_lvl+0x100/0x190
[ 481.099162][ T7235] dump_header+0xfb/0x606
[ 481.099196][ T7235] oom_kill_process.cold+0xd/0x380
[ 481.099232][ T7235] out_of_memory+0x340/0x14f0
[ 481.099281][ T7235] ? __pfx_out_of_memory+0x10/0x10
[ 481.099322][ T7235] ? srso_alias_return_thunk+0x5/0xfbef5
[ 481.099378][ T7235] mem_cgroup_out_of_memory+0xc6/0x130
[ 481.099412][ T7235] ? __pfx_mem_cgroup_out_of_memory+0x10/0x10
[ 481.099445][ T7235] ? find_held_lock+0x2b/0x80
[ 481.099484][ T7235] ? srso_alias_return_thunk+0x5/0xfbef5
[ 481.099518][ T7235] ? do_raw_spin_unlock+0x145/0x1e0
[ 481.099548][ T7235] ? srso_alias_return_thunk+0x5/0xfbef5
[ 481.099582][ T7235] ? _raw_spin_unlock+0x28/0x50
[ 481.099616][ T7235] try_charge_memcg+0x6e1/0xdf0
[ 481.099668][ T7235] ? __pfx_try_charge_memcg+0x10/0x10
[ 481.099715][ T7235] ? srso_alias_return_thunk+0x5/0xfbef5
[ 481.099750][ T7235] ? find_held_lock+0x2b/0x80
[ 481.099782][ T7235] ? rcu_read_unlock+0x17/0x60
[ 481.099827][ T7235] ? rcu_read_unlock+0x17/0x60
[ 481.099874][ T7235] ? srso_alias_return_thunk+0x5/0xfbef5
[ 481.099922][ T7235] __memcg_slab_post_alloc_hook+0x470/0x1150
[ 481.099980][ T7235] ? srso_alias_return_thunk+0x5/0xfbef5
[ 481.100015][ T7235] ? kasan_save_track+0x14/0x30
[ 481.100054][ T7235] kmem_cache_alloc_lru_noprof+0x57f/0x6a0
[ 481.100093][ T7235] ? __d_alloc+0x35/0xa50
[ 481.100141][ T7235] __d_alloc+0x35/0xa50
[ 481.100187][ T7235] d_alloc+0x4a/0x1e0
[ 481.100230][ T7235] lookup_one_qstr_excl+0x171/0x250
[ 481.100281][ T7235] start_dirop+0x59/0xb0
[ 481.100316][ T7235] simple_start_creating+0xf9/0x110
[ 481.100355][ T7235] ? __pfx_simple_start_creating+0x10/0x10
[ 481.100396][ T7235] ? srso_alias_return_thunk+0x5/0xfbef5
[ 481.100433][ T7235] ? mntput+0x70/0xa0
[ 481.100467][ T7235] ? srso_alias_return_thunk+0x5/0xfbef5
[ 481.100501][ T7235] ? simple_pin_fs+0xa3/0x190
[ 481.100537][ T7235] tracefs_start_creating+0x69/0x140
[ 481.100581][ T7235] tracefs_create_file+0x99/0x770
[ 481.100628][ T7235] trace_create_file+0x33/0x60
[ 481.100671][ T7235] create_event_toplevel_files+0xaa/0x1a0
[ 481.100719][ T7235] event_trace_add_tracer+0x72/0x260
[ 481.100774][ T7235] trace_array_create_dir+0x8e/0x210
[ 481.100837][ T7235] trace_array_create_systems+0x8b3/0xc30
[ 481.100899][ T7235] instance_mkdir+0xca/0x140
[ 481.100955][ T7235] tracefs_syscall_mkdir+0x10e/0x180
[ 481.101006][ T7235] ? srso_alias_return_thunk+0x5/0xfbef5
[ 481.101056][ T7235] ? __pfx_tracefs_syscall_mkdir+0x10/0x10
[ 481.101123][ T7235] ? srso_alias_return_thunk+0x5/0xfbef5
[ 481.101176][ T7235] vfs_mkdir+0x364/0x850
[ 481.101222][ T7235] filename_mkdirat+0x48b/0x5e0
[ 481.101280][ T7235] ? __pfx_filename_mkdirat+0x10/0x10
[ 481.101333][ T7235] ? strncpy_from_user+0x19d/0x2d0
[ 481.101386][ T7235] ? srso_alias_return_thunk+0x5/0xfbef5
[ 481.101424][ T7235] ? do_getname+0x191/0x390
[ 481.101472][ T7235] __x64_sys_mkdirat+0x89/0xc0
[ 481.101513][ T7235] do_syscall_64+0x123/0x790
[ 481.101553][ T7235] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 481.101583][ T7235] RIP: 0033:0x7f677999e0d9
[ 481.101607][ T7235] 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
[ 481.101638][ T7235] RSP: 002b:00007f6778ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 481.101668][ T7235] RAX: ffffffffffffffda RBX: 00007f6779c25fa0 RCX: 00007f677999e0d9
[ 481.101687][ T7235] RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 481.101706][ T7235] RBP: 00007f6779a35024 R08: 0000000000000000 R09: 0000000000000000
[ 481.101725][ T7235] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 481.101743][ T7235] R13: 00007f6779c26038 R14: 00007f6779c25fa0 R15: 00007ffc66d17488
[ 481.101781][ T7235]
[ 481.102114][ T7235] memory: usage 8kB, limit 8kB, failcnt 54389
[ 481.497475][ T7235] memory+swap: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 481.504975][ T7235] kmem: usage 8kB, limit 9007199254740988kB, failcnt 0
[ 481.512367][ T7235] Memory cgroup stats for /syz0/test:
[ 481.512613][ T7235] cache 0
[ 481.520921][ T7235] rss 0
[ 481.523733][ T7235] rss_huge 0
[ 481.526970][ T7235] shmem 0
[ 481.529912][ T7235] mapped_file 0
[ 481.533375][ T7235] dirty 0
[ 481.536391][ T7235] writeback 0
[ 481.539677][ T7235] workingset_refault_anon 0
[ 481.544166][ T7235] workingset_refault_file 0
[ 481.548899][ T7235] swap 0
[ 481.551806][ T7235] swapcached 98304
[ 481.555520][ T7235] pgpgin 24
[ 481.558734][ T7235] pgpgout 24
[ 481.561918][ T7235] pgfault 414
[ 481.565189][ T7235] pgmajfault 0
[ 481.568780][ T7235] inactive_anon 0
[ 481.572439][ T7235] active_anon 0
[ 481.575969][ T7235] inactive_file 0
[ 481.579622][ T7235] active_file 0
[ 481.583090][ T7235] unevictable 0
[ 481.586618][ T7235] hierarchical_memory_limit 8192
[ 481.591563][ T7235] hierarchical_memsw_limit 9223372036854771712
[ 481.597874][ T7235] total_cache 0
[ 481.601342][ T7235] total_rss 0
[ 481.604634][ T7235] total_rss_huge 0
[ 481.608421][ T7235] total_shmem 0
[ 481.611881][ T7235] total_mapped_file 0
[ 481.616302][ T7235] total_dirty 0
[ 481.619771][ T7235] total_writeback 0
[ 481.623572][ T7235] total_workingset_refault_anon 0
[ 481.629024][ T7235] total_workingset_refault_file 0
[ 481.634195][ T7235] total_swap 0
[ 481.637622][ T7235] total_swapcached 98304
[ 481.641870][ T7235] total_pgpgin 24
[ 481.645491][ T7235] total_pgpgout 24
[ 481.649251][ T7235] total_pgfault 414
[ 481.653067][ T7235] total_pgmajfault 0
[ 481.657074][ T7235] total_inactive_anon 0
[ 481.661264][ T7235] total_active_anon 0
[ 481.665239][ T7235] total_inactive_file 0
[ 481.669439][ T7235] total_active_file 0
[ 481.673421][ T7235] total_unevictable 0
[ 481.677585][ T7235] anon_cost 0
[ 481.680898][ T7235] file_cost 0
[ 481.684203][ T7235] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=/,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.438,pid=7234,uid=0
[ 481.699894][ T7235] Memory cgroup out of memory: Killed process 7234 (syz.0.438) total-vm:45132kB, anon-rss:1348kB, file-rss:1168kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
[ 481.731128][ T7235] Could not create tracefs 'show_event_filters' entry
[ 481.762073][ T7235] Could not create tracefs 'show_event_triggers' entry
[ 481.793699][ T7235] Could not create tracefs 'set_event_pid' entry
[ 481.825348][ T7235] Could not create tracefs 'set_event_notrace_pid' entry
[ 481.856221][ T7235] Could not create tracefs 'events' directory
2026/08/24 15:51:01 executed programs: 424
[ 481.939528][ T7237] syz.0.439 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 481.949360][ T7237] CPU: 1 UID: 0 PID: 7237 Comm: syz.0.439 Not tainted syzkaller #0 PREEMPT(full)
[ 481.949399][ T7237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[ 481.949416][ T7237] Call Trace:
[ 481.949427][ T7237]
[ 481.949438][ T7237] dump_stack_lvl+0x100/0x190
[ 481.949482][ T7237] dump_header+0xfb/0x606
[host] Command execution timed out after 6m0s