./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor79734405 <...> Warning: Permanently added '10.128.1.1' (ECDSA) to the list of known hosts. execve("./syz-executor79734405", ["./syz-executor79734405"], 0x7ffce17deef0 /* 10 vars */) = 0 brk(NULL) = 0x555556584000 brk(0x555556584c40) = 0x555556584c40 arch_prctl(ARCH_SET_FS, 0x555556584300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor79734405", 4096) = 26 brk(0x5555565a5c40) = 0x5555565a5c40 brk(0x5555565a6000) = 0x5555565a6000 mprotect(0x7f03bfe2e000, 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: [ 38.199883][ T3606] ------------[ cut here ]------------ [ 38.205616][ T3606] kernel BUG at include/linux/mm.h:1529! [ 38.211255][ T3606] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 38.217394][ T3606] CPU: 0 PID: 3606 Comm: syz-executor797 Not tainted 6.0.0-rc7-syzkaller-00132-g987a926c1d8a #0 [ 38.227826][ T3606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 38.237892][ T3606] RIP: 0010:copy_hugetlb_page_range+0x1f16/0x2590 [ 38.244344][ T3606] Code: d0 2c ee ff 0f 0b e8 b9 da 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 9a da b7 ff <0f> 0b e8 93 da b7 ff 0f 0b e8 8c da b7 ff 49 c1 e4 0e 48 8b 84 24 [ 38.263967][ T3606] RSP: 0018:ffffc90003bdf5f0 EFLAGS: 00010293 [ 38.270018][ T3606] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.277996][ T3606] RDX: ffff888027150000 RSI: ffffffff81c42d86 RDI: 0000000000000005 [ 38.285959][ T3606] RBP: ffffea0001990000 R08: 0000000000000005 R09: 0000000000000000 [ 38.293917][ T3606] R10: 0000000000000001 R11: 1ffffffff2008275 R12: ffffea0001990008 [ 38.301870][ T3606] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000020000000 [ 38.309829][ T3606] FS: 0000555556584300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 38.318784][ T3606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.325384][ T3606] CR2: 0000000020003200 CR3: 000000007aa4f000 CR4: 0000000000350ef0 [ 38.333374][ T3606] Call Trace: [ 38.336644][ T3606] [ 38.339568][ T3606] ? huge_pte_alloc+0x4c0/0x4c0 [ 38.344423][ T3606] ? lockdep_unlock+0x11b/0x290 [ 38.349299][ T3606] ? __lock_acquire+0x2567/0x56d0 [ 38.354321][ T3606] copy_page_range+0x2044/0x37d0 [ 38.359289][ T3606] ? find_held_lock+0x2d/0x110 [ 38.364149][ T3606] ? dup_mm+0x7a9/0x13a0 [ 38.368394][ T3606] ? handle_mm_fault+0x780/0x780 [ 38.373327][ T3606] ? validate_mm_rb+0x46/0x2d0 [ 38.378090][ T3606] ? down_write+0xde/0x150 [ 38.382547][ T3606] ? __vma_link_rb+0x553/0x710 [ 38.387310][ T3606] dup_mm+0xa99/0x13a0 [ 38.391373][ T3606] ? replace_mm_exe_file+0x480/0x480 [ 38.396650][ T3606] ? __raw_spin_lock_init+0x36/0x110 [ 38.401934][ T3606] copy_process+0x3ca6/0x7090 [ 38.406627][ T3606] ? find_held_lock+0x2d/0x110 [ 38.411387][ T3606] ? __cleanup_sighand+0xb0/0xb0 [ 38.416351][ T3606] ? _copy_from_user+0xf9/0x170 [ 38.421200][ T3606] kernel_clone+0xe7/0xab0 [ 38.425636][ T3606] ? create_io_thread+0xe0/0xe0 [ 38.430486][ T3606] ? do_raw_spin_lock+0x120/0x2a0 [ 38.435508][ T3606] __do_sys_clone3+0x1cd/0x2e0 [ 38.440351][ T3606] ? __do_sys_clone+0x100/0x100 [ 38.445197][ T3606] ? lock_downgrade+0x6e0/0x6e0 [ 38.450041][ T3606] ? _raw_spin_unlock_irq+0x1f/0x40 [ 38.455229][ T3606] ? _raw_spin_unlock_irq+0x1f/0x40 [ 38.460420][ T3606] ? lockdep_hardirqs_on+0x79/0x100 [ 38.465638][ T3606] ? _raw_spin_unlock_irq+0x2a/0x40 [ 38.470825][ T3606] ? ptrace_notify+0xfa/0x140 [ 38.475519][ T3606] do_syscall_64+0x35/0xb0 [ 38.479932][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 38.485842][ T3606] RIP: 0033:0x7f03bfdc1c39 [ 38.490278][ 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 [ 38.509905][ T3606] RSP: 002b:00007ffc2434a7a8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 [ 38.518320][ T3606] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f03bfdc1c39 [ 38.526293][ T3606] RDX: 00007f03bfdc1c39 RSI: 0000000000000058 RDI: 00007ffc2434a7b0 [ 38.534254][ T3606] RBP: 00007f03bfd85d80 R08: 0000000000000000 R09: 0000000000000000 [ 38.542221][ T3606] R10: 00007ffc2434a7b0 R11: 0000000000000246 R12: 00007f03bfd85e10 [ 38.550194][ T3606] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 38.558198][ T3606] [ 38.561228][ T3606] Modules linked in: [ 38.565195][ T3606] ---[ end trace 0000000000000000 ]--- [ 38.570656][ T3606] RIP: 0010:copy_hugetlb_page_range+0x1f16/0x2590 [ 38.577219][ T3606] Code: d0 2c ee ff 0f 0b e8 b9 da 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 9a da b7 ff <0f> 0b e8 93 da b7 ff 0f 0b e8 8c da b7 ff 49 c1 e4 0e 48 8b 84 24 [ 38.596896][ T3606] RSP: 0018:ffffc90003bdf5f0 EFLAGS: 00010293 [ 38.602974][ T3606] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.611166][ T3606] RDX: ffff888027150000 RSI: ffffffff81c42d86 RDI: 0000000000000005 [ 38.619172][ T3606] RBP: ffffea0001990000 R08: 0000000000000005 R09: 0000000000000000 [ 38.627163][ T3606] R10: 0000000000000001 R11: 1ffffffff2008275 R12: ffffea0001990008 [ 38.635245][ T3606] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000020000000 [ 38.643234][ T3606] FS: 0000555556584300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 38.652206][ T3606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.658921][ T3606] CR2: 0000000020003200 CR3: 000000007aa4f000 CR4: 0000000000350ef0 [ 38.666986][ T3606] Kernel panic - not syncing: Fatal exception [ 38.673860][ T3606] Kernel Offset: disabled [ 38.678186][ T3606] Rebooting in 86400 seconds..