./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4066776883 <...> Warning: Permanently added '10.128.0.185' (ED25519) to the list of known hosts. execve("./syz-executor4066776883", ["./syz-executor4066776883"], 0x7ffea689d6a0 /* 10 vars */) = 0 brk(NULL) = 0x555556e75000 brk(0x555556e75d00) = 0x555556e75d00 arch_prctl(ARCH_SET_FS, 0x555556e75380) = 0 set_tid_address(0x555556e75650) = 5066 set_robust_list(0x555556e75660, 24) = 0 rseq(0x555556e75ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4066776883", 4096) = 28 getrandom("\x6d\x61\x5a\x37\x5b\x03\x96\x60", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556e75d00 brk(0x555556e96d00) = 0x555556e96d00 brk(0x555556e97000) = 0x555556e97000 mprotect(0x7fd278472000, 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 memfd_create("\x59\xff\xff", MFD_CLOEXEC|MFD_ALLOW_SEALING|MFD_HUGETLB) = 3 mmap(0x20200000, 4194304, PROT_WRITE|PROT_SEM|PROT_GROWSUP, MAP_PRIVATE|MAP_FIXED|MAP_LOCKED, 3, 0) = 0x20200000 exit_group(0) = ? [ 94.071006][ T5066] ------------[ cut here ]------------ [ 94.076651][ T5066] kernel BUG at mm/hugetlb.c:1129! [ 94.081760][ T5066] invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 94.088161][ T5066] CPU: 1 PID: 5066 Comm: syz-executor406 Not tainted 6.8.0-rc1-next-20240124-syzkaller #0 [ 94.098033][ T5066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 94.108077][ T5066] RIP: 0010:resv_map_release+0x1f3/0x290 [ 94.113735][ T5066] Code: ab ff 48 85 db 75 1d e8 eb 37 ab ff 48 8b 7c 24 08 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 c3 07 fb ff e8 ce 37 ab ff 90 <0f> 0b 4c 89 ef e8 83 76 05 00 e9 3d ff ff ff 48 89 ef e8 86 75 05 [ 94.133347][ T5066] RSP: 0018:ffffc900033f7b40 EFLAGS: 00010293 [ 94.139412][ T5066] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81e0f3fb [ 94.147376][ T5066] RDX: ffff88802b4e9dc0 RSI: ffffffff81e0f422 RDI: 0000000000000007 [ 94.155346][ T5066] RBP: ffff88807faaa060 R08: 0000000000000007 R09: 0000000000000000 [ 94.163309][ T5066] R10: 0000000000000001 R11: ffffffff8ae000e6 R12: ffff88807faaa060 [ 94.171277][ T5066] R13: ffff88807faaa060 R14: ffff88801ea1e788 R15: dead000000000100 [ 94.179244][ T5066] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 94.188172][ T5066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.194755][ T5066] CR2: 00007fd2783df930 CR3: 000000000d57a000 CR4: 00000000003506f0 [ 94.202734][ T5066] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 94.210701][ T5066] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 94.218668][ T5066] Call Trace: [ 94.221942][ T5066] [ 94.224869][ T5066] ? show_regs+0x8e/0xa0 [ 94.229121][ T5066] ? die+0x36/0xa0 [ 94.232847][ T5066] ? do_trap+0x22a/0x420 [ 94.237090][ T5066] ? resv_map_release+0x1f3/0x290 [ 94.242125][ T5066] ? resv_map_release+0x1f3/0x290 [ 94.247150][ T5066] ? do_error_trap+0xf4/0x230 [ 94.251827][ T5066] ? resv_map_release+0x1f3/0x290 [ 94.256956][ T5066] ? handle_invalid_op+0x34/0x40 [ 94.261895][ T5066] ? resv_map_release+0x1f3/0x290 [ 94.266933][ T5066] ? exc_invalid_op+0x2e/0x50 [ 94.271623][ T5066] ? asm_exc_invalid_op+0x1a/0x20 [ 94.276647][ T5066] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 94.282720][ T5066] ? resv_map_release+0x1cb/0x290 [ 94.287751][ T5066] ? resv_map_release+0x1f2/0x290 [ 94.292794][ T5066] ? resv_map_release+0x1f3/0x290 [ 94.297827][ T5066] hugetlb_vm_op_close+0x4f5/0x5d0 [ 94.302949][ T5066] ? __pfx_hugetlb_vm_op_close+0x10/0x10 [ 94.308590][ T5066] remove_vma+0x8b/0x180 [ 94.312843][ T5066] exit_mmap+0x511/0xbe0 [ 94.317086][ T5066] ? __pfx_exit_mmap+0x10/0x10 [ 94.321860][ T5066] __mmput+0x12a/0x4d0 [ 94.325930][ T5066] mmput+0x62/0x70 [ 94.329652][ T5066] do_exit+0x999/0x2ac0 [ 94.333818][ T5066] ? do_group_exit+0x1c3/0x2a0 [ 94.338577][ T5066] ? __pfx_lock_release+0x10/0x10 [ 94.343607][ T5066] ? do_raw_spin_lock+0x12d/0x2c0 [ 94.348626][ T5066] ? __pfx_do_exit+0x10/0x10 [ 94.353220][ T5066] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 94.358596][ T5066] do_group_exit+0xd3/0x2a0 [ 94.363097][ T5066] __x64_sys_exit_group+0x3e/0x50 [ 94.368118][ T5066] do_syscall_64+0xd2/0x260 [ 94.372622][ T5066] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 94.378524][ T5066] RIP: 0033:0x7fd2783fdc39 [ 94.382946][ T5066] Code: Unable to access opcode bytes at 0x7fd2783fdc0f. [ 94.389968][ T5066] RSP: 002b:00007ffd48dc35f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 94.398401][ T5066] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd2783fdc39 [ 94.406385][ T5066] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 94.414352][ T5066] RBP: 00007fd278478270 R08: ffffffffffffffb8 R09: 0000000000000000 [ 94.422333][ T5066] R10: 0000000000002012 R11: 0000000000000246 R12: 00007fd278478270 [ 94.430312][ T5066] R13: 0000000000000000 R14: 00007fd278478cc0 R15: 00007fd2783cfa30 [ 94.438297][ T5066] [ 94.441314][ T5066] Modules linked in: [ 94.445318][ T5066] ---[ end trace 0000000000000000 ]--- [ 94.450780][ T5066] RIP: 0010:resv_map_release+0x1f3/0x290 [ 94.456506][ T5066] Code: ab ff 48 85 db 75 1d e8 eb 37 ab ff 48 8b 7c 24 08 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 c3 07 fb ff e8 ce 37 ab ff 90 <0f> 0b 4c 89 ef e8 83 76 05 00 e9 3d ff ff ff 48 89 ef e8 86 75 05 [ 94.476333][ T5066] RSP: 0018:ffffc900033f7b40 EFLAGS: 00010293 [ 94.482430][ T5066] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81e0f3fb [ 94.490450][ T5066] RDX: ffff88802b4e9dc0 RSI: ffffffff81e0f422 RDI: 0000000000000007 [ 94.498472][ T5066] RBP: ffff88807faaa060 R08: 0000000000000007 R09: 0000000000000000 [ 94.506475][ T5066] R10: 0000000000000001 R11: ffffffff8ae000e6 R12: ffff88807faaa060 [ 94.514468][ T5066] R13: ffff88807faaa060 R14: ffff88801ea1e788 R15: dead000000000100 [ 94.522475][ T5066] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 94.531436][ T5066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.538045][ T5066] CR2: 00007fd2783df930 CR3: 000000000d57a000 CR4: 00000000003506f0 [ 94.546058][ T5066] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 94.554015][ T5066] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 94.562111][ T5066] Kernel panic - not syncing: Fatal exception [ 94.568441][ T5066] Kernel Offset: disabled [ 94.572755][ T5066] Rebooting in 86400 seconds..