./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor282454996 <...> forked to background, child pid 3183 no interfaces have a carrier [ 22.282491][ T3184] 8021q: adding VLAN 0 to HW filter on device bond0 [ 22.291800][ T3184] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.157' (ECDSA) to the list of known hosts. execve("./syz-executor282454996", ["./syz-executor282454996"], 0x7fff97554650 /* 10 vars */) = 0 brk(NULL) = 0x555555dc3000 brk(0x555555dc3c40) = 0x555555dc3c40 arch_prctl(ARCH_SET_FS, 0x555555dc3300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor282454996", 4096) = 27 brk(0x555555de4c40) = 0x555555de4c40 brk(0x555555de5000) = 0x555555de5000 mprotect(0x7fc09c1d7000, 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: [ 42.328371][ T3604] ------------[ cut here ]------------ [ 42.333956][ T3604] kernel BUG at include/linux/mm.h:1529! [ 42.340064][ T3604] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 42.346132][ T3604] CPU: 0 PID: 3604 Comm: syz-executor282 Not tainted 6.0.0-syzkaller-00372-ga5088ee7251e #0 [ 42.356187][ T3604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 42.366224][ T3604] RIP: 0010:copy_hugetlb_page_range+0x1f16/0x2590 [ 42.372627][ T3604] Code: d0 2c ee ff 0f 0b e8 d9 d9 b7 ff 83 8c 24 00 01 00 00 01 48 8d bc 24 e0 00 00 00 e8 84 14 02 00 e9 5d ef ff ff e8 ba d9 b7 ff <0f> 0b e8 b3 d9 b7 ff 0f 0b e8 ac d9 b7 ff 49 c1 e4 0e 48 8b 84 24 [ 42.392329][ T3604] RSP: 0018:ffffc9000380f5f0 EFLAGS: 00010293 [ 42.398396][ T3604] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.406348][ T3604] RDX: ffff88801f791d80 RSI: ffffffff81c43b36 RDI: 0000000000000005 [ 42.414300][ T3604] RBP: ffffea0002d60000 R08: 0000000000000005 R09: 0000000000000000 [ 42.422253][ T3604] R10: 0000000000000001 R11: 0000000000000000 R12: ffffea0002d60008 [ 42.430203][ T3604] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000020000000 [ 42.438173][ T3604] FS: 0000555555dc3300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 42.447088][ T3604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.453660][ T3604] CR2: 0000000020003200 CR3: 0000000072655000 CR4: 0000000000350ef0 [ 42.461621][ T3604] Call Trace: [ 42.464885][ T3604] [ 42.467809][ T3604] ? huge_pte_alloc+0x4c0/0x4c0 [ 42.472651][ T3604] ? lockdep_unlock+0x11b/0x290 [ 42.477490][ T3604] ? __lock_acquire+0x2567/0x56d0 [ 42.482507][ T3604] copy_page_range+0x2044/0x37d0 [ 42.487440][ T3604] ? find_held_lock+0x2d/0x110 [ 42.492194][ T3604] ? dup_mm+0x7a9/0x13a0 [ 42.496424][ T3604] ? handle_mm_fault+0x780/0x780 [ 42.501350][ T3604] ? validate_mm_rb+0x46/0x2d0 [ 42.506100][ T3604] ? down_write+0xde/0x150 [ 42.510525][ T3604] ? __vma_link_rb+0x553/0x710 [ 42.515282][ T3604] dup_mm+0xa99/0x13a0 [ 42.519344][ T3604] ? replace_mm_exe_file+0x480/0x480 [ 42.524627][ T3604] ? __raw_spin_lock_init+0x36/0x110 [ 42.529905][ T3604] copy_process+0x3ca6/0x7090 [ 42.534587][ T3604] ? find_held_lock+0x2d/0x110 [ 42.539428][ T3604] ? __cleanup_sighand+0xb0/0xb0 [ 42.544356][ T3604] ? _copy_from_user+0xf9/0x170 [ 42.549200][ T3604] kernel_clone+0xe7/0xab0 [ 42.553606][ T3604] ? create_io_thread+0xe0/0xe0 [ 42.558533][ T3604] ? do_raw_spin_lock+0x120/0x2a0 [ 42.563645][ T3604] __do_sys_clone3+0x1cd/0x2e0 [ 42.568397][ T3604] ? __do_sys_clone+0x100/0x100 [ 42.573240][ T3604] ? lock_downgrade+0x6e0/0x6e0 [ 42.578095][ T3604] ? _raw_spin_unlock_irq+0x1f/0x40 [ 42.583279][ T3604] ? _raw_spin_unlock_irq+0x1f/0x40 [ 42.588465][ T3604] ? lockdep_hardirqs_on+0x79/0x100 [ 42.593654][ T3604] ? _raw_spin_unlock_irq+0x2a/0x40 [ 42.598839][ T3604] ? ptrace_notify+0xfa/0x140 [ 42.603508][ T3604] do_syscall_64+0x35/0xb0 [ 42.607918][ T3604] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 42.613817][ T3604] RIP: 0033:0x7fc09c16ac39 [ 42.618220][ T3604] 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 [ 42.637819][ T3604] RSP: 002b:00007ffda4fd8b18 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 [ 42.646224][ T3604] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc09c16ac39 [ 42.654188][ T3604] RDX: 00007fc09c16ac39 RSI: 0000000000000058 RDI: 00007ffda4fd8b20 [ 42.662152][ T3604] RBP: 00007fc09c12ed80 R08: 0000000000000000 R09: 0000000000000000 [ 42.670121][ T3604] R10: 00007ffda4fd8b20 R11: 0000000000000246 R12: 00007fc09c12ee10 [ 42.678085][ T3604] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 42.686049][ T3604] [ 42.689051][ T3604] Modules linked in: [ 42.693049][ T3604] ---[ end trace 0000000000000000 ]--- [ 42.698544][ T3604] RIP: 0010:copy_hugetlb_page_range+0x1f16/0x2590 [ 42.705028][ T3604] Code: d0 2c ee ff 0f 0b e8 d9 d9 b7 ff 83 8c 24 00 01 00 00 01 48 8d bc 24 e0 00 00 00 e8 84 14 02 00 e9 5d ef ff ff e8 ba d9 b7 ff <0f> 0b e8 b3 d9 b7 ff 0f 0b e8 ac d9 b7 ff 49 c1 e4 0e 48 8b 84 24 [ 42.724696][ T3604] RSP: 0018:ffffc9000380f5f0 EFLAGS: 00010293 [ 42.730808][ T3604] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.738791][ T3604] RDX: ffff88801f791d80 RSI: ffffffff81c43b36 RDI: 0000000000000005 [ 42.746784][ T3604] RBP: ffffea0002d60000 R08: 0000000000000005 R09: 0000000000000000 [ 42.754749][ T3604] R10: 0000000000000001 R11: 0000000000000000 R12: ffffea0002d60008 [ 42.762735][ T3604] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000020000000 [ 42.770729][ T3604] FS: 0000555555dc3300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 42.779693][ T3604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.786297][ T3604] CR2: 0000000020003200 CR3: 0000000072655000 CR4: 0000000000350ef0 [ 42.794338][ T3604] Kernel panic - not syncing: Fatal exception [ 42.801036][ T3604] Kernel Offset: disabled [ 42.805361][ T3604] Rebooting in 86400 seconds..