./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3852940713 <...> Warning: Permanently added '10.128.1.117' (ED25519) to the list of known hosts. execve("./syz-executor3852940713", ["./syz-executor3852940713"], 0x7fff072d3d20 /* 10 vars */) = 0 brk(NULL) = 0x55556fcfa000 brk(0x55556fcfad00) = 0x55556fcfad00 arch_prctl(ARCH_SET_FS, 0x55556fcfa380) = 0 set_tid_address(0x55556fcfa650) = 5090 set_robust_list(0x55556fcfa660, 24) = 0 rseq(0x55556fcfaca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3852940713", 4096) = 28 getrandom("\x24\x63\xaa\x4f\x0f\x06\x96\xc8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556fcfad00 brk(0x55556fd1bd00) = 0x55556fd1bd00 brk(0x55556fd1c000) = 0x55556fd1c000 mprotect(0x7faf2fae9000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/sys/kernel/profiling", O_RDWR|O_CREAT|O_NOFOLLOW|FASYNC, 000) = 3 [ 72.058169][ T5090] kernel profiling enabled (shift: 0) [ 72.718610][ C1] ================================================================== [ 72.726726][ C1] BUG: KASAN: stack-out-of-bounds in profile_pc+0xd2/0x170 [ 72.734059][ C1] Read of size 8 at addr ffffc900033672c0 by task syz-executor385/5090 [ 72.742301][ C1] [ 72.744708][ C1] CPU: 1 PID: 5090 Comm: syz-executor385 Not tainted 6.9.0-rc7-syzkaller-00012-gdccb07f2914c #0 [ 72.755130][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 72.765194][ C1] Call Trace: [ 72.768505][ C1] [ 72.771360][ C1] dump_stack_lvl+0x241/0x360 [ 72.776181][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 72.782048][ C1] ? __pfx__printk+0x10/0x10 [ 72.786832][ C1] ? _printk+0xd5/0x120 [ 72.791040][ C1] print_report+0x169/0x550 [ 72.795587][ C1] ? rcu_read_lock_sched_held+0x8d/0x130 [ 72.801299][ C1] ? __virt_addr_valid+0xbd/0x520 [ 72.806381][ C1] ? profile_pc+0xd2/0x170 [ 72.810813][ C1] kasan_report+0x143/0x180 [ 72.815331][ C1] ? profile_pc+0xd2/0x170 [ 72.819753][ C1] ? _raw_spin_unlock_irqrestore+0xd8/0x140 [ 72.825845][ C1] profile_pc+0xd2/0x170 [ 72.830222][ C1] profile_tick+0xd7/0x150 [ 72.834679][ C1] tick_nohz_handler+0x386/0x500 [ 72.839633][ C1] ? __pfx_tick_nohz_handler+0x10/0x10 [ 72.845120][ C1] __hrtimer_run_queues+0x55b/0xd50 [ 72.850466][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 72.856263][ C1] ? ktime_get_update_offsets_now+0x411/0x430 [ 72.862378][ C1] hrtimer_interrupt+0x396/0x990 [ 72.867355][ C1] __sysvec_apic_timer_interrupt+0x110/0x3f0 [ 72.873369][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 72.879031][ C1] [ 72.881958][ C1] [ 72.884885][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 72.891037][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 [ 72.897573][ C1] Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 de b8 6f f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 d3 b4 da f5 65 8b 05 74 d8 78 74 85 c0 74 43 48 c7 04 24 0e 36 [ 72.917287][ C1] RSP: 0018:ffffc900033672c0 EFLAGS: 00000206 [ 72.923368][ C1] RAX: b725fd149c303b00 RBX: 1ffff9200066ce5c RCX: ffffffff8172f77a [ 72.931362][ C1] RDX: dffffc0000000000 RSI: ffffffff8bcab8a0 RDI: 0000000000000001 [ 72.939375][ C1] RBP: ffffc90003367350 R08: ffffffff92f35507 R09: 1ffffffff25e6aa0 [ 72.947508][ C1] R10: dffffc0000000000 R11: fffffbfff25e6aa1 R12: dffffc0000000000 [ 72.955519][ C1] R13: 1ffff9200066ce58 R14: ffffc900033672e0 R15: 0000000000000246 [ 72.963520][ C1] ? mark_lock+0x9a/0x350 [ 72.967888][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 72.974239][ C1] ? __mod_zone_page_state+0xda/0x150 [ 72.979644][ C1] __rmqueue_pcplist+0x216d/0x2620 [ 72.984867][ C1] ? __pfx___rmqueue_pcplist+0x10/0x10 [ 72.990393][ C1] get_page_from_freelist+0x856/0x35b0 [ 72.995936][ C1] ? preempt_schedule_notrace_thunk+0x1a/0x30 [ 73.002160][ C1] ? __pfx___might_resched+0x10/0x10 [ 73.007478][ C1] ? __alloc_pages_bulk+0x729/0xd40 [ 73.012710][ C1] ? fs_reclaim_acquire+0x93/0x140 [ 73.017948][ C1] ? __pfx_get_page_from_freelist+0x10/0x10 [ 73.023859][ C1] ? prepare_alloc_pages+0x1da/0x5d0 [ 73.029281][ C1] __alloc_pages+0x256/0x6c0 [ 73.034024][ C1] ? __pfx___alloc_pages+0x10/0x10 [ 73.039229][ C1] ? policy_nodemask+0x2b0/0x800 [ 73.044202][ C1] alloc_pages_mpol+0x3e8/0x680 [ 73.049172][ C1] ? __pfx_alloc_pages_mpol+0x10/0x10 [ 73.054795][ C1] ? alloc_pages+0xef/0x170 [ 73.059364][ C1] __vmalloc_node_range+0x9a4/0x1490 [ 73.064961][ C1] ? __pfx___vmalloc_node_range+0x10/0x10 [ 73.070950][ C1] ? rcu_is_watching+0x15/0xb0 [ 73.075736][ C1] ? trace_kmalloc+0x1f/0xd0 [ 73.080590][ C1] ? __kmalloc+0x251/0x4a0 [ 73.085092][ C1] ? profile_init+0xee/0x130 [ 73.089679][ C1] ? __pfx_sysfs_kf_write+0x10/0x10 [ 73.094897][ C1] vzalloc+0x79/0x90 [ 73.098813][ C1] ? profile_init+0xee/0x130 [ 73.103419][ C1] profile_init+0xee/0x130 [ 73.107839][ C1] profiling_store+0x5e/0xc0 [ 73.112437][ C1] kernfs_fop_write_iter+0x3a1/0x500 [ 73.118537][ C1] vfs_write+0xa84/0xcb0 [ 73.122822][ C1] ? __pfx_vfs_write+0x10/0x10 [ 73.127739][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 73.132971][ C1] ? __fdget_pos+0x272/0x320 [ 73.137562][ C1] ksys_write+0x1a0/0x2c0 [ 73.141898][ C1] ? __pfx_ksys_write+0x10/0x10 [ 73.146925][ C1] ? do_syscall_64+0x102/0x240 [ 73.151714][ C1] do_syscall_64+0xf5/0x240 [ 73.156242][ C1] ? clear_bhb_loop+0x35/0x90 [ 73.160959][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.167654][ C1] RIP: 0033:0x7faf2fa76529 [ 73.172100][ C1] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 [ 73.192250][ C1] RSP: 002b:00007ffffbe75198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.201119][ C1] RAX: ffffffffffffffda RBX: 00007ffffbe75368 RCX: 00007faf2fa76529 [ 73.209092][ C1] RDX: 0000000000000015 RSI: 0000000020000280 RDI: 0000000000000003 [ 73.217058][ C1] RBP: 00007faf2fae9610 R08: 00007ffffbe74f24 R09: 00007ffffbe75368 [ 73.225042][ C1] R10: 0000000000000014 R11: 0000000000000246 R12: 0000000000000001 [ 73.233148][ C1] R13: 00007ffffbe75358 R14: 0000000000000001 R15: 0000000000000001 [ 73.241256][ C1] [ 73.244278][ C1] [ 73.246602][ C1] The buggy address belongs to stack of task syz-executor385/5090 [ 73.254480][ C1] and is located at offset 0 in frame: [ 73.260051][ C1] _raw_spin_unlock_irqrestore+0x0/0x140 [ 73.265701][ C1] [ 73.268037][ C1] This frame has 1 object: [ 73.272477][ C1] [32, 40) 'flags.i.i.i.i' [ 73.272488][ C1] [ 73.279399][ C1] The buggy address belongs to the virtual mapping at [ 73.279399][ C1] [ffffc90003360000, ffffc90003369000) created by: [ 73.279399][ C1] copy_process+0x5d1/0x3df0 [ 73.297040][ C1] [ 73.299450][ C1] The buggy address belongs to the physical page: [ 73.305880][ C1] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1f058 [ 73.314654][ C1] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 73.321763][ C1] page_type: 0xffffffff() [ 73.326087][ C1] raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000 [ 73.334670][ C1] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 73.343284][ C1] page dumped because: kasan: bad access detected [ 73.349942][ C1] page_owner tracks the page as allocated [ 73.355793][ C1] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2dc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), pid 5030, tgid 1196351046 (dhcpcd-run-hook), ts 5030, free_ts 61040428557 [ 73.375510][ C1] post_alloc_hook+0x1ea/0x210 [ 73.380286][ C1] get_page_from_freelist+0x3410/0x35b0 [ 73.385849][ C1] __alloc_pages+0x256/0x6c0 [ 73.390557][ C1] alloc_pages_mpol+0x3e8/0x680 [ 73.395426][ C1] __vmalloc_node_range+0x9a4/0x1490 [ 73.400731][ C1] dup_task_struct+0x3e9/0x7d0 [ 73.405603][ C1] copy_process+0x5d1/0x3df0 [ 73.410282][ C1] kernel_clone+0x226/0x8f0 [ 73.414876][ C1] __x64_sys_clone+0x258/0x2a0 [ 73.419647][ C1] do_syscall_64+0xf5/0x240 [ 73.424165][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.430060][ C1] page last free pid 5026 tgid 5026 stack trace: [ 73.436751][ C1] free_unref_page_prepare+0x986/0xab0 [ 73.442293][ C1] free_unref_folios+0x1f2/0xc10 [ 73.447510][ C1] folios_put_refs+0x93a/0xa60 [ 73.452396][ C1] free_pages_and_swap_cache+0x5c8/0x690 [ 73.458405][ C1] tlb_flush_mmu+0x3a3/0x680 [ 73.464663][ C1] tlb_finish_mmu+0xd4/0x200 [ 73.469792][ C1] exit_mmap+0x4bb/0xd60 [ 73.474056][ C1] __mmput+0x115/0x3c0 [ 73.478283][ C1] exit_mm+0x220/0x310 [ 73.482661][ C1] do_exit+0x99e/0x27e0 [ 73.486852][ C1] do_group_exit+0x207/0x2c0 [ 73.491463][ C1] __x64_sys_exit_group+0x3f/0x40 [ 73.496600][ C1] do_syscall_64+0xf5/0x240 [ 73.501248][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.507191][ C1] [ 73.509541][ C1] Memory state around the buggy address: [ 73.515201][ C1] ffffc90003367180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 73.523393][ C1] ffffc90003367200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 73.531598][ C1] >ffffc90003367280: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 f3 f3 f3 [ 73.539958][ C1] ^ [ 73.546131][ C1] ffffc90003367300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 73.554640][ C1] ffffc90003367380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 73.562757][ C1] ================================================================== [ 73.570839][ C1] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 73.578152][ C1] CPU: 1 PID: 5090 Comm: syz-executor385 Not tainted 6.9.0-rc7-syzkaller-00012-gdccb07f2914c #0 [ 73.589102][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 73.599388][ C1] Call Trace: [ 73.603375][ C1] [ 73.606570][ C1] dump_stack_lvl+0x241/0x360 [ 73.611315][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 73.616629][ C1] ? __pfx__printk+0x10/0x10 [ 73.621258][ C1] ? rcu_is_watching+0x15/0xb0 [ 73.626113][ C1] ? vscnprintf+0x5d/0x90 [ 73.630470][ C1] panic+0x349/0x860 [ 73.634369][ C1] ? __pfx_lock_release+0x10/0x10 [ 73.639440][ C1] ? check_panic_on_warn+0x21/0xb0 [ 73.644586][ C1] ? __pfx_panic+0x10/0x10 [ 73.649043][ C1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 73.654487][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 73.660859][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 73.667715][ C1] check_panic_on_warn+0x86/0xb0 [ 73.672698][ C1] ? profile_pc+0xd2/0x170 [ 73.677217][ C1] end_report+0x77/0x160 [ 73.681499][ C1] kasan_report+0x154/0x180 [ 73.686411][ C1] ? profile_pc+0xd2/0x170 [ 73.691298][ C1] ? _raw_spin_unlock_irqrestore+0xd8/0x140 [ 73.697707][ C1] profile_pc+0xd2/0x170 [ 73.702809][ C1] profile_tick+0xd7/0x150 [ 73.708050][ C1] tick_nohz_handler+0x386/0x500 [ 73.713098][ C1] ? __pfx_tick_nohz_handler+0x10/0x10 [ 73.718565][ C1] __hrtimer_run_queues+0x55b/0xd50 [ 73.723826][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 73.729663][ C1] ? ktime_get_update_offsets_now+0x411/0x430 [ 73.736081][ C1] hrtimer_interrupt+0x396/0x990 [ 73.741072][ C1] __sysvec_apic_timer_interrupt+0x110/0x3f0 [ 73.747098][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 73.752784][ C1] [ 73.755718][ C1] [ 73.758912][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 73.765015][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 [ 73.771551][ C1] Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 de b8 6f f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 d3 b4 da f5 65 8b 05 74 d8 78 74 85 c0 74 43 48 c7 04 24 0e 36 [ 73.791531][ C1] RSP: 0018:ffffc900033672c0 EFLAGS: 00000206 [ 73.797714][ C1] RAX: b725fd149c303b00 RBX: 1ffff9200066ce5c RCX: ffffffff8172f77a [ 73.805717][ C1] RDX: dffffc0000000000 RSI: ffffffff8bcab8a0 RDI: 0000000000000001 [ 73.813706][ C1] RBP: ffffc90003367350 R08: ffffffff92f35507 R09: 1ffffffff25e6aa0 [ 73.821682][ C1] R10: dffffc0000000000 R11: fffffbfff25e6aa1 R12: dffffc0000000000 [ 73.833194][ C1] R13: 1ffff9200066ce58 R14: ffffc900033672e0 R15: 0000000000000246 [ 73.841302][ C1] ? mark_lock+0x9a/0x350 [ 73.845680][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 73.852060][ C1] ? __mod_zone_page_state+0xda/0x150 [ 73.857572][ C1] __rmqueue_pcplist+0x216d/0x2620 [ 73.862728][ C1] ? __pfx___rmqueue_pcplist+0x10/0x10 [ 73.868230][ C1] get_page_from_freelist+0x856/0x35b0 [ 73.873705][ C1] ? preempt_schedule_notrace_thunk+0x1a/0x30 [ 73.879792][ C1] ? __pfx___might_resched+0x10/0x10 [ 73.885121][ C1] ? __alloc_pages_bulk+0x729/0xd40 [ 73.890451][ C1] ? fs_reclaim_acquire+0x93/0x140 [ 73.895648][ C1] ? __pfx_get_page_from_freelist+0x10/0x10 [ 73.901646][ C1] ? prepare_alloc_pages+0x1da/0x5d0 [ 73.907049][ C1] __alloc_pages+0x256/0x6c0 [ 73.911759][ C1] ? __pfx___alloc_pages+0x10/0x10 [ 73.916966][ C1] ? policy_nodemask+0x2b0/0x800 [ 73.921931][ C1] alloc_pages_mpol+0x3e8/0x680 [ 73.926874][ C1] ? __pfx_alloc_pages_mpol+0x10/0x10 [ 73.932290][ C1] ? alloc_pages+0xef/0x170 [ 73.937460][ C1] __vmalloc_node_range+0x9a4/0x1490 [ 73.943254][ C1] ? __pfx___vmalloc_node_range+0x10/0x10 [ 73.949115][ C1] ? rcu_is_watching+0x15/0xb0 [ 73.953916][ C1] ? trace_kmalloc+0x1f/0xd0 [ 73.958552][ C1] ? __kmalloc+0x251/0x4a0 [ 73.963117][ C1] ? profile_init+0xee/0x130 [ 73.967725][ C1] ? __pfx_sysfs_kf_write+0x10/0x10 [ 73.972944][ C1] vzalloc+0x79/0x90 [ 73.976871][ C1] ? profile_init+0xee/0x130 [ 73.981483][ C1] profile_init+0xee/0x130 [ 73.985936][ C1] profiling_store+0x5e/0xc0 [ 73.990531][ C1] kernfs_fop_write_iter+0x3a1/0x500 [ 73.995837][ C1] vfs_write+0xa84/0xcb0 [ 74.000090][ C1] ? __pfx_vfs_write+0x10/0x10 [ 74.004887][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 74.010151][ C1] ? __fdget_pos+0x272/0x320 [ 74.014753][ C1] ksys_write+0x1a0/0x2c0 [ 74.019091][ C1] ? __pfx_ksys_write+0x10/0x10 [ 74.024134][ C1] ? do_syscall_64+0x102/0x240 [ 74.028905][ C1] do_syscall_64+0xf5/0x240 [ 74.033479][ C1] ? clear_bhb_loop+0x35/0x90 [ 74.038246][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.044170][ C1] RIP: 0033:0x7faf2fa76529 [ 74.048979][ C1] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 [ 74.069240][ C1] RSP: 002b:00007ffffbe75198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.077855][ C1] RAX: ffffffffffffffda RBX: 00007ffffbe75368 RCX: 00007faf2fa76529 [ 74.085947][ C1] RDX: 0000000000000015 RSI: 0000000020000280 RDI: 0000000000000003 [ 74.093925][ C1] RBP: 00007faf2fae9610 R08: 00007ffffbe74f24 R09: 00007ffffbe75368 [ 74.102022][ C1] R10: 0000000000000014 R11: 0000000000000246 R12: 0000000000000001 [ 74.110229][ C1] R13: 00007ffffbe75358 R14: 0000000000000001 R15: 0000000000000001 [ 74.119021][ C1] [ 74.122360][ C1] Kernel Offset: disabled [ 74.126692][ C1] Rebooting in 86400 seconds..