./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor263101146 <...> Warning: Permanently added '10.128.0.224' (ECDSA) to the list of known hosts. execve("./syz-executor263101146", ["./syz-executor263101146"], 0x7ffdd62774b0 /* 10 vars */) = 0 brk(NULL) = 0x555555fe9000 brk(0x555555fe9c40) = 0x555555fe9c40 arch_prctl(ARCH_SET_FS, 0x555555fe9300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor263101146", 4096) = 27 brk(0x55555600ac40) = 0x55555600ac40 brk(0x55555600b000) = 0x55555600b000 mprotect(0x7f36dd6d2000, 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: [ 50.050977][ T3603] ------------[ cut here ]------------ [ 50.056733][ T3603] kernel BUG at include/linux/mm.h:1529! [ 50.062423][ T3603] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 50.068489][ T3603] CPU: 0 PID: 3603 Comm: syz-executor263 Not tainted 6.0.0-syzkaller-00372-ga5088ee7251e #0 [ 50.078531][ T3603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 50.088565][ T3603] RIP: 0010:copy_hugetlb_page_range+0x1f16/0x2590 [ 50.094974][ T3603] 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 [ 50.115002][ T3603] RSP: 0018:ffffc90003b5f5f0 EFLAGS: 00010293 [ 50.121048][ T3603] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.129000][ T3603] RDX: ffff888025ac3b00 RSI: ffffffff81c43b36 RDI: 0000000000000005 [ 50.137038][ T3603] RBP: ffffea0001900000 R08: 0000000000000005 R09: 0000000000000000 [ 50.145336][ T3603] R10: 0000000000000001 R11: 0000000000000000 R12: ffffea0001900008 [ 50.153285][ T3603] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000020000000 [ 50.161245][ T3603] FS: 0000555555fe9300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 50.170157][ T3603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.176722][ T3603] CR2: 0000000020003200 CR3: 000000001bbe2000 CR4: 0000000000350ef0 [ 50.184688][ T3603] Call Trace: [ 50.187954][ T3603] [ 50.190879][ T3603] ? huge_pte_alloc+0x4c0/0x4c0 [ 50.195806][ T3603] ? lockdep_unlock+0x11b/0x290 [ 50.200640][ T3603] ? __lock_acquire+0x2567/0x56d0 [ 50.205648][ T3603] copy_page_range+0x2044/0x37d0 [ 50.210571][ T3603] ? find_held_lock+0x2d/0x110 [ 50.215661][ T3603] ? dup_mm+0x7a9/0x13a0 [ 50.219888][ T3603] ? handle_mm_fault+0x780/0x780 [ 50.224808][ T3603] ? validate_mm_rb+0x46/0x2d0 [ 50.229561][ T3603] ? down_write+0xde/0x150 [ 50.234087][ T3603] ? __vma_link_rb+0x553/0x710 [ 50.238841][ T3603] dup_mm+0xa99/0x13a0 [ 50.242901][ T3603] ? replace_mm_exe_file+0x480/0x480 [ 50.248162][ T3603] ? __raw_spin_lock_init+0x36/0x110 [ 50.253427][ T3603] copy_process+0x3ca6/0x7090 [ 50.258082][ T3603] ? find_held_lock+0x2d/0x110 [ 50.262828][ T3603] ? __cleanup_sighand+0xb0/0xb0 [ 50.267745][ T3603] ? _copy_from_user+0xf9/0x170 [ 50.272582][ T3603] kernel_clone+0xe7/0xab0 [ 50.276981][ T3603] ? create_io_thread+0xe0/0xe0 [ 50.281809][ T3603] ? do_raw_spin_lock+0x120/0x2a0 [ 50.286819][ T3603] __do_sys_clone3+0x1cd/0x2e0 [ 50.291562][ T3603] ? __do_sys_clone+0x100/0x100 [ 50.296393][ T3603] ? lock_downgrade+0x6e0/0x6e0 [ 50.301222][ T3603] ? _raw_spin_unlock_irq+0x1f/0x40 [ 50.306402][ T3603] ? _raw_spin_unlock_irq+0x1f/0x40 [ 50.311585][ T3603] ? lockdep_hardirqs_on+0x79/0x100 [ 50.316762][ T3603] ? _raw_spin_unlock_irq+0x2a/0x40 [ 50.321937][ T3603] ? ptrace_notify+0xfa/0x140 [ 50.326592][ T3603] do_syscall_64+0x35/0xb0 [ 50.330985][ T3603] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 50.336858][ T3603] RIP: 0033:0x7f36dd665c39 [ 50.341258][ T3603] 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 [ 50.360866][ T3603] RSP: 002b:00007ffd5e1e2f98 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 [ 50.369267][ T3603] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f36dd665c39 [ 50.377218][ T3603] RDX: 00007f36dd665c39 RSI: 0000000000000058 RDI: 00007ffd5e1e2fa0 [ 50.385167][ T3603] RBP: 00007f36dd629d80 R08: 0000000000000000 R09: 0000000000000000 [ 50.393116][ T3603] R10: 00007ffd5e1e2fa0 R11: 0000000000000246 R12: 00007f36dd629e10 [ 50.401087][ T3603] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 50.409050][ T3603] [ 50.412046][ T3603] Modules linked in: [ 50.416147][ T3603] ---[ end trace 0000000000000000 ]--- [ 50.421683][ T3603] RIP: 0010:copy_hugetlb_page_range+0x1f16/0x2590 [ 50.428110][ T3603] 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 [ 50.447752][ T3603] RSP: 0018:ffffc90003b5f5f0 EFLAGS: 00010293 [ 50.453861][ T3603] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.461868][ T3603] RDX: ffff888025ac3b00 RSI: ffffffff81c43b36 RDI: 0000000000000005 [ 50.469877][ T3603] RBP: ffffea0001900000 R08: 0000000000000005 R09: 0000000000000000 [ 50.477838][ T3603] R10: 0000000000000001 R11: 0000000000000000 R12: ffffea0001900008 [ 50.485892][ T3603] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000020000000 [ 50.493906][ T3603] FS: 0000555555fe9300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 50.502855][ T3603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.509455][ T3603] CR2: 0000000020003200 CR3: 000000001bbe2000 CR4: 0000000000350ef0 [ 50.517409][ T3603] Kernel panic - not syncing: Fatal exception [ 50.524432][ T3603] Kernel Offset: disabled [ 50.528745][ T3603] Rebooting in 86400 seconds..