./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor339631981 <...> forked to background, child pid 3186 [ 28.143651][ T3187] 8021q: adding VLAN 0 to HW filter on device bond0 [ 28.154803][ T3187] eql: remember to turn off Van-Jacobson compression on your slave devices [ 28.313130][ T3271] ssh-keygen (3271) used greatest stack depth: 19544 bytes left Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.209' (ECDSA) to the list of known hosts. execve("./syz-executor339631981", ["./syz-executor339631981"], 0x7ffc1f3442b0 /* 10 vars */) = 0 brk(NULL) = 0x55555572c000 brk(0x55555572cc40) = 0x55555572cc40 arch_prctl(ARCH_SET_FS, 0x55555572c300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor339631981", 4096) = 27 brk(0x55555574dc40) = 0x55555574dc40 brk(0x55555574e000) = 0x55555574e000 mprotect(0x7f9a2bd91000, 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, "/dev/uinput", O_RDWR|O_NONBLOCK) = 3 ioctl(3, UI_ABS_SETUP, 0x20000340) = 0 write(3, "\x73\x79\x7a\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1116) = 1116 ioctl(3, UI_SET_EVBIT, 0x3) = 0 syzkaller login: [ 51.793274][ T3615] ------------[ cut here ]------------ [ 51.799056][ T3615] WARNING: CPU: 0 PID: 3615 at mm/page_alloc.c:5531 __alloc_pages+0x30a/0x560 [ 51.807951][ T3615] Modules linked in: [ 51.811878][ T3615] CPU: 0 PID: 3615 Comm: syz-executor339 Not tainted 6.1.0-rc4-syzkaller-00356-g8f2975c2bb4c #0 [ 51.822363][ T3615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 51.832489][ T3615] RIP: 0010:__alloc_pages+0x30a/0x560 [ 51.837911][ T3615] Code: 5c 24 04 0f 85 f3 00 00 00 44 89 e1 81 e1 7f ff ff ff a9 00 00 04 00 41 0f 44 cc 41 89 cc e9 e3 00 00 00 c6 05 93 cf 40 0c 01 <0f> 0b 83 fb 0a 0f 86 c8 fd ff ff 31 db 48 c7 44 24 20 0e 36 e0 45 [ 51.857564][ T3615] RSP: 0018:ffffc90003bafb00 EFLAGS: 00010246 [ 51.863621][ T3615] RAX: ffffc90003bafb60 RBX: 000000000000000b RCX: 0000000000000000 [ 51.871623][ T3615] RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc90003bafb88 [ 51.879673][ T3615] RBP: ffffc90003bafc08 R08: dffffc0000000000 R09: ffffc90003bafb60 [ 51.887695][ T3615] R10: fffff52000775f71 R11: 1ffff92000775f6c R12: 0000000000040dc0 [ 51.895684][ T3615] R13: 1ffff92000775f68 R14: dffffc0000000000 R15: 1ffff92000775f64 [ 51.903855][ T3615] FS: 000055555572c300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 51.912852][ T3615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.919566][ T3615] CR2: 00007f70c094ca70 CR3: 000000007cb4e000 CR4: 00000000003506f0 [ 51.927592][ T3615] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.935568][ T3615] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.943594][ T3615] Call Trace: [ 51.946871][ T3615] [ 51.949852][ T3615] ? zone_statistics+0x160/0x160 [ 51.954812][ T3615] ? rcu_read_lock_sched_held+0x89/0x130 [ 51.960503][ T3615] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 51.966494][ T3615] ? trace_contention_end+0x72/0x1d0 [ 51.971825][ T3615] __kmalloc_large_node+0x8a/0x1b0 [ 51.977039][ T3615] ? input_mt_init_slots+0xbd/0x980 [ 51.982245][ T3615] __kmalloc+0xfe/0x1a0 [ 51.986391][ T3615] input_mt_init_slots+0xbd/0x980 [ 51.991458][ T3615] uinput_create_device+0x50e/0x620 [ 51.996667][ T3615] uinput_ioctl_handler+0xa04/0x1660 [ 52.002040][ T3615] ? smack_file_ioctl+0x298/0x3a0 [ 52.007394][ T3615] ? uinput_release+0x50/0x50 [ 52.012079][ T3615] ? __ct_user_exit+0x81/0xe0 [ 52.016752][ T3615] ? bpf_lsm_file_ioctl+0x5/0x10 [ 52.021778][ T3615] ? security_file_ioctl+0x9d/0xb0 [ 52.026958][ T3615] ? uinput_poll+0x110/0x110 [ 52.031551][ T3615] __se_sys_ioctl+0xfb/0x170 [ 52.036132][ T3615] do_syscall_64+0x2b/0x70 [ 52.040596][ T3615] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 52.046585][ T3615] RIP: 0033:0x7f9a2bd24719 [ 52.051035][ T3615] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 52.070695][ T3615] RSP: 002b:00007ffe4087cd18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.079145][ T3615] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9a2bd24719 [ 52.087184][ T3615] RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003 [ 52.095143][ T3615] RBP: 00007f9a2bce88c0 R08: 0000000000000000 R09: 0000000000000000 [ 52.103140][ T3615] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9a2bce8950 [ 52.111227][ T3615] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 52.119246][ T3615] [ 52.122269][ T3615] Kernel panic - not syncing: panic_on_warn set ... [ 52.128837][ T3615] CPU: 0 PID: 3615 Comm: syz-executor339 Not tainted 6.1.0-rc4-syzkaller-00356-g8f2975c2bb4c #0 [ 52.139241][ T3615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 52.149278][ T3615] Call Trace: [ 52.152547][ T3615] [ 52.155465][ T3615] dump_stack_lvl+0x1e3/0x2cb [ 52.160131][ T3615] ? nf_tcp_handle_invalid+0x62e/0x62e [ 52.165572][ T3615] ? panic+0x766/0x766 [ 52.169630][ T3615] ? vscnprintf+0x59/0x80 [ 52.173943][ T3615] ? __alloc_pages+0x240/0x560 [ 52.178716][ T3615] panic+0x316/0x766 [ 52.182666][ T3615] ? __warn+0x131/0x220 [ 52.186841][ T3615] ? memcpy_page_flushcache+0xfc/0xfc [ 52.192225][ T3615] ? __alloc_pages+0x30a/0x560 [ 52.196986][ T3615] __warn+0x1fa/0x220 [ 52.200985][ T3615] ? __alloc_pages+0x30a/0x560 [ 52.205753][ T3615] report_bug+0x1b3/0x2d0 [ 52.210092][ T3615] handle_bug+0x3d/0x70 [ 52.214256][ T3615] exc_invalid_op+0x16/0x40 [ 52.218765][ T3615] asm_exc_invalid_op+0x16/0x20 [ 52.223625][ T3615] RIP: 0010:__alloc_pages+0x30a/0x560 [ 52.229002][ T3615] Code: 5c 24 04 0f 85 f3 00 00 00 44 89 e1 81 e1 7f ff ff ff a9 00 00 04 00 41 0f 44 cc 41 89 cc e9 e3 00 00 00 c6 05 93 cf 40 0c 01 <0f> 0b 83 fb 0a 0f 86 c8 fd ff ff 31 db 48 c7 44 24 20 0e 36 e0 45 [ 52.248601][ T3615] RSP: 0018:ffffc90003bafb00 EFLAGS: 00010246 [ 52.254669][ T3615] RAX: ffffc90003bafb60 RBX: 000000000000000b RCX: 0000000000000000 [ 52.262640][ T3615] RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc90003bafb88 [ 52.270606][ T3615] RBP: ffffc90003bafc08 R08: dffffc0000000000 R09: ffffc90003bafb60 [ 52.278576][ T3615] R10: fffff52000775f71 R11: 1ffff92000775f6c R12: 0000000000040dc0 [ 52.286541][ T3615] R13: 1ffff92000775f68 R14: dffffc0000000000 R15: 1ffff92000775f64 [ 52.294523][ T3615] ? zone_statistics+0x160/0x160 [ 52.299456][ T3615] ? rcu_read_lock_sched_held+0x89/0x130 [ 52.305085][ T3615] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 52.311069][ T3615] ? trace_contention_end+0x72/0x1d0 [ 52.316352][ T3615] __kmalloc_large_node+0x8a/0x1b0 [ 52.321468][ T3615] ? input_mt_init_slots+0xbd/0x980 [ 52.326662][ T3615] __kmalloc+0xfe/0x1a0 [ 52.330821][ T3615] input_mt_init_slots+0xbd/0x980 [ 52.335850][ T3615] uinput_create_device+0x50e/0x620 [ 52.341053][ T3615] uinput_ioctl_handler+0xa04/0x1660 [ 52.346334][ T3615] ? smack_file_ioctl+0x298/0x3a0 [ 52.351359][ T3615] ? uinput_release+0x50/0x50 [ 52.356046][ T3615] ? __ct_user_exit+0x81/0xe0 [ 52.360720][ T3615] ? bpf_lsm_file_ioctl+0x5/0x10 [ 52.365656][ T3615] ? security_file_ioctl+0x9d/0xb0 [ 52.370768][ T3615] ? uinput_poll+0x110/0x110 [ 52.375351][ T3615] __se_sys_ioctl+0xfb/0x170 [ 52.379944][ T3615] do_syscall_64+0x2b/0x70 [ 52.384353][ T3615] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 52.390263][ T3615] RIP: 0033:0x7f9a2bd24719 [ 52.395311][ T3615] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 52.414931][ T3615] RSP: 002b:00007ffe4087cd18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.423345][ T3615] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9a2bd24719 [ 52.431310][ T3615] RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003 [ 52.439273][ T3615] RBP: 00007f9a2bce88c0 R08: 0000000000000000 R09: 0000000000000000 [ 52.447235][ T3615] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9a2bce8950 [ 52.455218][ T3615] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 52.463223][ T3615] [ 52.466389][ T3615] Kernel Offset: disabled [ 52.470778][ T3615] Rebooting in 86400 seconds..