./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2115535001 <...> Warning: Permanently added '10.128.1.125' (ECDSA) to the list of known hosts. execve("./syz-executor2115535001", ["./syz-executor2115535001"], 0x7ffcbb08b7d0 /* 10 vars */) = 0 brk(NULL) = 0x5555561fa000 brk(0x5555561fac40) = 0x5555561fac40 arch_prctl(ARCH_SET_FS, 0x5555561fa300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2115535001", 4096) = 28 brk(0x55555621bc40) = 0x55555621bc40 brk(0x55555621c000) = 0x55555621c000 mprotect(0x7f39aa405000, 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 [ 49.844358][ T3607] ------------[ cut here ]------------ [ 49.850059][ T3607] kernel BUG at include/linux/mm.h:1529! [ 49.855818][ T3607] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 49.861893][ T3607] CPU: 0 PID: 3607 Comm: syz-executor211 Not tainted 6.0.0-rc7-syzkaller-00132-g987a926c1d8a #0 [ 49.872294][ T3607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 49.882336][ T3607] RIP: 0010:copy_hugetlb_page_range+0x1f16/0x2590 [ 49.888756][ T3607] 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 [ 49.908348][ T3607] RSP: 0018:ffffc90003a5f5f0 EFLAGS: 00010293 [ 49.914426][ T3607] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.922384][ T3607] RDX: ffff88801b82d880 RSI: ffffffff81c42d86 RDI: 0000000000000005 [ 49.930340][ T3607] RBP: ffffea0002d60000 R08: 0000000000000005 R09: 0000000000000000 [ 49.938302][ T3607] R10: 0000000000000001 R11: 1ffffffff20081cb R12: ffffea0002d60008 [ 49.946257][ T3607] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000020000000 [ 49.954213][ T3607] FS: 00005555561fa300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 49.963144][ T3607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.969715][ T3607] CR2: 0000000020003200 CR3: 0000000073e89000 CR4: 00000000003506f0 [ 49.977677][ T3607] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.985635][ T3607] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.993600][ T3607] Call Trace: [ 49.996864][ T3607] [ 49.999787][ T3607] ? huge_pte_alloc+0x4c0/0x4c0 [ 50.004629][ T3607] ? lockdep_unlock+0x11b/0x290 [ 50.009469][ T3607] ? __lock_acquire+0x2567/0x56d0 [ 50.014484][ T3607] copy_page_range+0x2044/0x37d0 [ 50.019415][ T3607] ? find_held_lock+0x2d/0x110 [ 50.024167][ T3607] ? dup_mm+0x7a9/0x13a0 [ 50.028395][ T3607] ? handle_mm_fault+0x780/0x780 [ 50.033317][ T3607] ? validate_mm_rb+0x46/0x2d0 [ 50.038160][ T3607] ? down_write+0xde/0x150 [ 50.042666][ T3607] ? __vma_link_rb+0x553/0x710 [ 50.047420][ T3607] dup_mm+0xa99/0x13a0 [ 50.051566][ T3607] ? replace_mm_exe_file+0x480/0x480 [ 50.056837][ T3607] ? __raw_spin_lock_init+0x36/0x110 [ 50.062112][ T3607] copy_process+0x3ca6/0x7090 [ 50.066775][ T3607] ? find_held_lock+0x2d/0x110 [ 50.071527][ T3607] ? __cleanup_sighand+0xb0/0xb0 [ 50.076453][ T3607] ? _copy_from_user+0xf9/0x170 [ 50.081292][ T3607] kernel_clone+0xe7/0xab0 [ 50.085698][ T3607] ? create_io_thread+0xe0/0xe0 [ 50.090538][ T3607] ? do_raw_spin_lock+0x120/0x2a0 [ 50.095550][ T3607] __do_sys_clone3+0x1cd/0x2e0 [ 50.100300][ T3607] ? __do_sys_clone+0x100/0x100 [ 50.105136][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 50.109972][ T3607] ? _raw_spin_unlock_irq+0x1f/0x40 [ 50.115155][ T3607] ? _raw_spin_unlock_irq+0x1f/0x40 [ 50.120343][ T3607] ? lockdep_hardirqs_on+0x79/0x100 [ 50.125529][ T3607] ? _raw_spin_unlock_irq+0x2a/0x40 [ 50.130715][ T3607] ? ptrace_notify+0xfa/0x140 [ 50.135378][ T3607] do_syscall_64+0x35/0xb0 [ 50.139782][ T3607] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 50.145666][ T3607] RIP: 0033:0x7f39aa398c39 [ 50.150064][ T3607] 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 [ 50.169666][ T3607] RSP: 002b:00007fffde9bd8f8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 [ 50.178065][ T3607] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f39aa398c39 [ 50.186112][ T3607] RDX: 00007f39aa398c39 RSI: 0000000000000058 RDI: 00007fffde9bd900 [ 50.194070][ T3607] RBP: 00007f39aa35cd80 R08: 0000000000000000 R09: 0000000000000000 [ 50.202114][ T3607] R10: 00007fffde9bd900 R11: 0000000000000246 R12: 00007f39aa35ce10 [ 50.210068][ T3607] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 50.218028][ T3607] [ 50.221030][ T3607] Modules linked in: [ 50.225002][ T3607] ---[ end trace 0000000000000000 ]--- [ 50.230524][ T3607] RIP: 0010:copy_hugetlb_page_range+0x1f16/0x2590 [ 50.236988][ T3607] 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 [ 50.256642][ T3607] RSP: 0018:ffffc90003a5f5f0 EFLAGS: 00010293 [ 50.262712][ T3607] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.270704][ T3607] RDX: ffff88801b82d880 RSI: ffffffff81c42d86 RDI: 0000000000000005 [ 50.278697][ T3607] RBP: ffffea0002d60000 R08: 0000000000000005 R09: 0000000000000000 [ 50.286686][ T3607] R10: 0000000000000001 R11: 1ffffffff20081cb R12: ffffea0002d60008 [ 50.294661][ T3607] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000020000000 [ 50.302655][ T3607] FS: 00005555561fa300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 50.311612][ T3607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.318218][ T3607] CR2: 0000000020003200 CR3: 0000000073e89000 CR4: 00000000003506f0 [ 50.326239][ T3607] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.334195][ T3607] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.342188][ T3607] Kernel panic - not syncing: Fatal exception [ 50.348313][ T3607] Kernel Offset: disabled [ 50.352631][ T3607] Rebooting in 86400 seconds..