./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1958703373 <...> forked to background, child pid 3184 no interfaces have a carri[ 21.057114][ T3185] 8021q: adding VLAN 0 to HW filter on device bond0 er [ 21.070287][ T3185] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts. execve("./syz-executor1958703373", ["./syz-executor1958703373"], 0x7ffe0b3609a0 /* 10 vars */) = 0 brk(NULL) = 0x55555561f000 brk(0x55555561fc40) = 0x55555561fc40 arch_prctl(ARCH_SET_FS, 0x55555561f300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1958703373", 4096) = 28 brk(0x555555640c40) = 0x555555640c40 brk(0x555555641000) = 0x555555641000 mprotect(0x7f9f2c35f000, 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 mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE|MAP_DENYWRITE|MAP_STACK|MAP_HUGETLB, -1, 0) = 0x20000000 madvise(0x20000000, 6291459, MADV_REMOVE) = 0 madvise(0x20800000, 8388608, MADV_DONTNEED) = 0 syzkaller login: [ 36.569639][ T3606] ------------[ cut here ]------------ [ 36.575316][ T3606] kernel BUG at include/linux/mm.h:1529! [ 36.580942][ T3606] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 36.587004][ T3606] CPU: 0 PID: 3606 Comm: syz-executor195 Not tainted 6.0.0-syzkaller-09413-g4899a36f91a9 #0 [ 36.597074][ T3606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 36.607134][ T3606] RIP: 0010:copy_hugetlb_page_range+0x1f16/0x2590 [ 36.613545][ T3606] Code: 20 2c ee ff 0f 0b e8 e9 2b b7 ff 83 8c 24 00 01 00 00 01 48 8d bc 24 e0 00 00 00 e8 14 15 02 00 e9 5d ef ff ff e8 ca 2b b7 ff <0f> 0b e8 c3 2b b7 ff 0f 0b e8 bc 2b b7 ff 49 c1 e4 0e 48 8b 84 24 [ 36.633235][ T3606] RSP: 0018:ffffc90003d7f5f0 EFLAGS: 00010293 [ 36.639302][ T3606] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.647265][ T3606] RDX: ffff88801fe83b00 RSI: ffffffff81c41b66 RDI: 0000000000000005 [ 36.655221][ T3606] RBP: ffffea0002d60000 R08: 0000000000000005 R09: 0000000000000000 [ 36.663180][ T3606] R10: 0000000000000001 R11: 000000000008c07c R12: ffffea0002d60008 [ 36.671138][ T3606] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000020000000 [ 36.679093][ T3606] FS: 000055555561f300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 36.688017][ T3606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.694605][ T3606] CR2: 0000000020003200 CR3: 00000000710ed000 CR4: 00000000003506f0 [ 36.702579][ T3606] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.710655][ T3606] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.718892][ T3606] Call Trace: [ 36.722169][ T3606] [ 36.725103][ T3606] ? huge_pte_alloc+0x4c0/0x4c0 [ 36.729965][ T3606] ? kasan_save_stack+0x2e/0x40 [ 36.734824][ T3606] ? kasan_save_stack+0x1e/0x40 [ 36.739680][ T3606] ? __kasan_slab_alloc+0x90/0xc0 [ 36.744719][ T3606] ? kmem_cache_alloc+0x267/0x3b0 [ 36.749749][ T3606] ? anon_vma_fork+0x1fc/0x640 [ 36.754517][ T3606] ? dup_mm+0xa52/0x13a0 [ 36.758773][ T3606] ? copy_process+0x3ca6/0x7090 [ 36.763627][ T3606] ? kernel_clone+0xe7/0xab0 [ 36.768222][ T3606] ? __do_sys_clone3+0x1cd/0x2e0 [ 36.773168][ T3606] ? do_syscall_64+0x35/0xb0 [ 36.777767][ T3606] copy_page_range+0x2145/0x38e0 [ 36.782711][ T3606] ? lock_release+0x780/0x780 [ 36.787388][ T3606] ? rcu_read_lock_sched_held+0xd/0x70 [ 36.792860][ T3606] ? lock_acquire+0x480/0x570 [ 36.797539][ T3606] ? lock_release+0x780/0x780 [ 36.802215][ T3606] ? rcu_read_lock_sched_held+0xd/0x70 [ 36.807694][ T3606] ? lock_release+0x780/0x780 [ 36.812374][ T3606] ? anon_vma_fork+0x4a6/0x640 [ 36.817143][ T3606] ? lock_downgrade+0x6e0/0x6e0 [ 36.821995][ T3606] ? rcu_read_lock_sched_held+0xd/0x70 [ 36.827483][ T3606] ? lock_release+0x560/0x780 [ 36.832165][ T3606] ? dup_mm+0x7a9/0x13a0 [ 36.836414][ T3606] ? handle_mm_fault+0x780/0x780 [ 36.841360][ T3606] ? validate_mm_rb+0x46/0x2d0 [ 36.846131][ T3606] ? down_write+0xde/0x150 [ 36.850558][ T3606] ? __vma_link_rb+0x553/0x710 [ 36.855329][ T3606] dup_mm+0xa99/0x13a0 [ 36.859406][ T3606] ? replace_mm_exe_file+0x480/0x480 [ 36.864696][ T3606] ? __raw_spin_lock_init+0x36/0x110 [ 36.869987][ T3606] copy_process+0x3ca6/0x7090 [ 36.874666][ T3606] ? lock_acquire+0x480/0x570 [ 36.879343][ T3606] ? rcu_read_lock_sched_held+0xd/0x70 [ 36.884814][ T3606] ? rcu_read_lock_sched_held+0xd/0x70 [ 36.890300][ T3606] ? __cleanup_sighand+0xb0/0xb0 [ 36.895251][ T3606] ? _copy_from_user+0xf9/0x170 [ 36.900113][ T3606] kernel_clone+0xe7/0xab0 [ 36.904536][ T3606] ? rcu_read_lock_sched_held+0xd/0x70 [ 36.910006][ T3606] ? create_io_thread+0xe0/0xe0 [ 36.914864][ T3606] ? do_raw_spin_lock+0x120/0x2a0 [ 36.919903][ T3606] __do_sys_clone3+0x1cd/0x2e0 [ 36.924675][ T3606] ? __do_sys_clone+0x100/0x100 [ 36.929534][ T3606] ? recalc_sigpending_tsk+0x18f/0x1d0 [ 36.935009][ T3606] ? lock_downgrade+0x6e0/0x6e0 [ 36.939863][ T3606] ? trace_hardirqs_on+0x2d/0x120 [ 36.944907][ T3606] ? _raw_spin_unlock_irq+0x2a/0x40 [ 36.950106][ T3606] ? ptrace_notify+0xfa/0x140 [ 36.954789][ T3606] do_syscall_64+0x35/0xb0 [ 36.959214][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 36.965117][ T3606] RIP: 0033:0x7f9f2c2f2c39 [ 36.969534][ T3606] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 14 00 00 90 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 [ 36.989146][ T3606] RSP: 002b:00007ffd2163a998 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 [ 36.997561][ T3606] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9f2c2f2c39 [ 37.005703][ T3606] RDX: 00007f9f2c2f2c39 RSI: 0000000000000058 RDI: 00007ffd2163a9a0 [ 37.013672][ T3606] RBP: 00007f9f2c2b6d80 R08: 0000000000000000 R09: 0000000000000000 [ 37.021641][ T3606] R10: 00007ffd2163a9a0 R11: 0000000000000246 R12: 00007f9f2c2b6e10 [ 37.029611][ T3606] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 37.038545][ T3606] [ 37.041562][ T3606] Modules linked in: [ 37.045639][ T3606] ---[ end trace 0000000000000000 ]--- [ 37.051102][ T3606] RIP: 0010:copy_hugetlb_page_range+0x1f16/0x2590 [ 37.057606][ T3606] Code: 20 2c ee ff 0f 0b e8 e9 2b b7 ff 83 8c 24 00 01 00 00 01 48 8d bc 24 e0 00 00 00 e8 14 15 02 00 e9 5d ef ff ff e8 ca 2b b7 ff <0f> 0b e8 c3 2b b7 ff 0f 0b e8 bc 2b b7 ff 49 c1 e4 0e 48 8b 84 24 [ 37.077328][ T3606] RSP: 0018:ffffc90003d7f5f0 EFLAGS: 00010293 [ 37.083428][ T3606] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.091396][ T3606] RDX: ffff88801fe83b00 RSI: ffffffff81c41b66 RDI: 0000000000000005 [ 37.099394][ T3606] RBP: ffffea0002d60000 R08: 0000000000000005 R09: 0000000000000000 [ 37.107478][ T3606] R10: 0000000000000001 R11: 000000000008c07c R12: ffffea0002d60008 [ 37.115511][ T3606] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000020000000 [ 37.123510][ T3606] FS: 000055555561f300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 37.132430][ T3606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.139038][ T3606] CR2: 0000000020003200 CR3: 00000000710ed000 CR4: 00000000003506f0 [ 37.147077][ T3606] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.155068][ T3606] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.163090][ T3606] Kernel panic - not syncing: Fatal exception [ 37.169328][ T3606] Kernel Offset: disabled [ 37.173645][ T3606] Rebooting in 86400 seconds..