./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor508300491 <...> forked to background, child pid 3182 no interfaces have a carrier [ 22.929273][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 22.942393][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.7' (ECDSA) to the list of known hosts. execve("./syz-executor508300491", ["./syz-executor508300491"], 0x7ffd9d98af40 /* 10 vars */) = 0 brk(NULL) = 0x555556bf7000 brk(0x555556bf7c40) = 0x555556bf7c40 arch_prctl(ARCH_SET_FS, 0x555556bf7300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor508300491", 4096) = 27 brk(0x555556c18c40) = 0x555556c18c40 brk(0x555556c19000) = 0x555556c19000 mprotect(0x7f60bacd2000, 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: [ 43.885591][ T3610] ------------[ cut here ]------------ [ 43.891535][ T3610] WARNING: CPU: 0 PID: 3610 at mm/page_alloc.c:5491 __alloc_pages+0x39e/0x510 [ 43.900455][ T3610] Modules linked in: [ 43.904601][ T3610] CPU: 0 PID: 3610 Comm: syz-executor508 Not tainted 6.0.0-rc3-syzkaller-00299-gd895ec7938c4 #0 [ 43.915094][ T3610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 43.925221][ T3610] RIP: 0010:__alloc_pages+0x39e/0x510 [ 43.930646][ T3610] Code: ff ff 00 0f 84 33 fe ff ff 80 ce 01 e9 2b fe ff ff 83 fe 0a 0f 86 3e fd ff ff 80 3d 08 9b 0b 0c 00 75 09 c6 05 ff 9a 0b 0c 01 <0f> 0b 45 31 f6 e9 8d fe ff ff 65 ff 05 01 75 44 7e 48 c7 c0 20 22 [ 43.950333][ T3610] RSP: 0018:ffffc9000374fb98 EFLAGS: 00010246 [ 43.956429][ T3610] RAX: 0000000000000000 RBX: 1ffff920006e9f74 RCX: 0000000000000000 [ 43.964405][ T3610] RDX: 0000000000000000 RSI: 000000000000000b RDI: 0000000000000000 [ 43.972502][ T3610] RBP: 0000000000040dc0 R08: 0000000000000007 R09: 0000000000000000 [ 43.980535][ T3610] R10: 0000000000000001 R11: 0000000000000000 R12: 000000000000000b [ 43.989017][ T3610] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888020c77168 [ 43.997062][ T3610] FS: 0000555556bf7300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 44.006291][ T3610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.012866][ T3610] CR2: 00007f0d78b4ca70 CR3: 000000001f1a3000 CR4: 0000000000350ef0 [ 44.020861][ T3610] Call Trace: [ 44.024145][ T3610] [ 44.027117][ T3610] ? __alloc_pages_slowpath.constprop.0+0x2240/0x2240 [ 44.033901][ T3610] ? rcu_read_lock_sched_held+0x3a/0x70 [ 44.039490][ T3610] ? uinput_ioctl_handler.isra.0+0xa7/0x1dc0 [ 44.045612][ T3610] alloc_pages+0x1a6/0x270 [ 44.050072][ T3610] kmalloc_order+0x34/0xf0 [ 44.054505][ T3610] kmalloc_order_trace+0x13/0x120 [ 44.059566][ T3610] input_mt_init_slots+0xd9/0x530 [ 44.064706][ T3610] uinput_ioctl_handler.isra.0+0x18e9/0x1dc0 [ 44.070741][ T3610] ? uinput_ff_upload_to_user+0x2b0/0x2b0 [ 44.076518][ T3610] ? find_held_lock+0x2d/0x110 [ 44.081278][ T3610] ? ptrace_notify+0xfa/0x140 [ 44.086010][ T3610] ? lock_downgrade+0x6e0/0x6e0 [ 44.090884][ T3610] ? _raw_spin_unlock_irq+0x1f/0x40 [ 44.096121][ T3610] ? bpf_lsm_file_ioctl+0x5/0x10 [ 44.101067][ T3610] ? uinput_ioctl_handler.isra.0+0x1dc0/0x1dc0 [ 44.107256][ T3610] __x64_sys_ioctl+0x193/0x200 [ 44.112038][ T3610] do_syscall_64+0x35/0xb0 [ 44.116556][ T3610] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 44.122467][ T3610] RIP: 0033:0x7f60bac65719 [ 44.126940][ T3610] 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 [ 44.146825][ T3610] RSP: 002b:00007ffdc6bdc0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.155282][ T3610] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f60bac65719 [ 44.163526][ T3610] RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003 [ 44.171627][ T3610] RBP: 00007f60bac298c0 R08: 0000000000000000 R09: 0000000000000000 [ 44.179642][ T3610] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60bac29950 [ 44.187665][ T3610] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 44.195640][ T3610] [ 44.198706][ T3610] Kernel panic - not syncing: panic_on_warn set ... [ 44.205289][ T3610] CPU: 1 PID: 3610 Comm: syz-executor508 Not tainted 6.0.0-rc3-syzkaller-00299-gd895ec7938c4 #0 [ 44.216030][ T3610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 44.226069][ T3610] Call Trace: [ 44.229327][ T3610] [ 44.232238][ T3610] dump_stack_lvl+0xcd/0x134 [ 44.236829][ T3610] panic+0x2c8/0x627 [ 44.240708][ T3610] ? panic_print_sys_info.part.0+0x10b/0x10b [ 44.246797][ T3610] ? __warn.cold+0x248/0x2c4 [ 44.251374][ T3610] ? __alloc_pages+0x39e/0x510 [ 44.256211][ T3610] __warn.cold+0x259/0x2c4 [ 44.260613][ T3610] ? __alloc_pages+0x39e/0x510 [ 44.265482][ T3610] report_bug+0x1bc/0x210 [ 44.269800][ T3610] handle_bug+0x3c/0x60 [ 44.273939][ T3610] exc_invalid_op+0x14/0x40 [ 44.278427][ T3610] asm_exc_invalid_op+0x16/0x20 [ 44.283262][ T3610] RIP: 0010:__alloc_pages+0x39e/0x510 [ 44.288623][ T3610] Code: ff ff 00 0f 84 33 fe ff ff 80 ce 01 e9 2b fe ff ff 83 fe 0a 0f 86 3e fd ff ff 80 3d 08 9b 0b 0c 00 75 09 c6 05 ff 9a 0b 0c 01 <0f> 0b 45 31 f6 e9 8d fe ff ff 65 ff 05 01 75 44 7e 48 c7 c0 20 22 [ 44.308323][ T3610] RSP: 0018:ffffc9000374fb98 EFLAGS: 00010246 [ 44.314470][ T3610] RAX: 0000000000000000 RBX: 1ffff920006e9f74 RCX: 0000000000000000 [ 44.322691][ T3610] RDX: 0000000000000000 RSI: 000000000000000b RDI: 0000000000000000 [ 44.330644][ T3610] RBP: 0000000000040dc0 R08: 0000000000000007 R09: 0000000000000000 [ 44.338713][ T3610] R10: 0000000000000001 R11: 0000000000000000 R12: 000000000000000b [ 44.346777][ T3610] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888020c77168 [ 44.354748][ T3610] ? __alloc_pages_slowpath.constprop.0+0x2240/0x2240 [ 44.361504][ T3610] ? rcu_read_lock_sched_held+0x3a/0x70 [ 44.367046][ T3610] ? uinput_ioctl_handler.isra.0+0xa7/0x1dc0 [ 44.373018][ T3610] alloc_pages+0x1a6/0x270 [ 44.377422][ T3610] kmalloc_order+0x34/0xf0 [ 44.381823][ T3610] kmalloc_order_trace+0x13/0x120 [ 44.386829][ T3610] input_mt_init_slots+0xd9/0x530 [ 44.391840][ T3610] uinput_ioctl_handler.isra.0+0x18e9/0x1dc0 [ 44.397802][ T3610] ? uinput_ff_upload_to_user+0x2b0/0x2b0 [ 44.403503][ T3610] ? find_held_lock+0x2d/0x110 [ 44.408255][ T3610] ? ptrace_notify+0xfa/0x140 [ 44.412916][ T3610] ? lock_downgrade+0x6e0/0x6e0 [ 44.417751][ T3610] ? _raw_spin_unlock_irq+0x1f/0x40 [ 44.422933][ T3610] ? bpf_lsm_file_ioctl+0x5/0x10 [ 44.428048][ T3610] ? uinput_ioctl_handler.isra.0+0x1dc0/0x1dc0 [ 44.434184][ T3610] __x64_sys_ioctl+0x193/0x200 [ 44.438932][ T3610] do_syscall_64+0x35/0xb0 [ 44.443334][ T3610] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 44.449210][ T3610] RIP: 0033:0x7f60bac65719 [ 44.453609][ T3610] 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 [ 44.473220][ T3610] RSP: 002b:00007ffdc6bdc0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.481618][ T3610] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f60bac65719 [ 44.489579][ T3610] RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003 [ 44.497535][ T3610] RBP: 00007f60bac298c0 R08: 0000000000000000 R09: 0000000000000000 [ 44.505487][ T3610] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60bac29950 [ 44.513444][ T3610] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 44.521497][ T3610] [ 44.525267][ T3610] Kernel Offset: disabled [ 44.529648][ T3610] Rebooting in 86400 seconds..