./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2577838272 <...> Warning: Permanently added '10.128.0.235' (ED25519) to the list of known hosts. execve("./syz-executor2577838272", ["./syz-executor2577838272"], 0x7ffcc3b00650 /* 10 vars */) = 0 brk(NULL) = 0x555564010000 brk(0x555564010d00) = 0x555564010d00 arch_prctl(ARCH_SET_FS, 0x555564010380) = 0 set_tid_address(0x555564010650) = 5089 set_robust_list(0x555564010660, 24) = 0 rseq(0x555564010ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2577838272", 4096) = 28 getrandom("\x1e\x90\x21\xfd\xea\x44\x29\x33", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555564010d00 brk(0x555564031d00) = 0x555564031d00 brk(0x555564032000) = 0x555564032000 mprotect(0x7f5151aed000, 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 executing program write(1, "executing program\n", 18) = 18 openat(AT_FDCWD, "/dev/udmabuf", O_RDWR) = 3 memfd_create("\x79\x10\x35\xfb\xf7\x75\x83\x25\x3a\x72\xc2\xb9\x78\xa4\x71\xc1\xea\x5f\x8c\x5a\x37\xe7\x61\x9b\x11\x78\x0e\xa1\xcf\x1a\x98\x53\x37\xc9", MFD_CLOEXEC|MFD_ALLOW_SEALING|MFD_HUGETLB) = 4 fcntl(4, F_ADD_SEALS, F_SEAL_SEAL|F_SEAL_SHRINK|F_SEAL_GROW) = 0 [ 54.086865][ T5089] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000489: 0000 [#1] PREEMPT SMP KASAN PTI [ 54.086889][ T5089] KASAN: probably user-memory-access in range [0x0000000000002448-0x000000000000244f] [ 54.086905][ T5089] CPU: 1 PID: 5089 Comm: syz-executor257 Not tainted 6.10.0-rc1-next-20240531-syzkaller #0 [ 54.086922][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 54.086931][ T5089] RIP: 0010:dequeue_hugetlb_folio_nodemask+0x193/0xe40 [ 54.086968][ T5089] Code: 13 9b a0 ff c7 44 24 14 00 00 00 00 83 7c 24 40 00 0f 85 97 0c 00 00 48 83 7c 24 20 00 0f 85 45 09 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 58 09 00 00 44 8b 33 44 89 f7 8b 5c 24 [ 54.086976][ T5089] RSP: 0018:ffffc900035ef720 EFLAGS: 00010002 [ 54.086986][ T5089] RAX: 0000000000000489 RBX: 0000000000002448 RCX: ffff888026ef0000 [ 54.086994][ T5089] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 54.087000][ T5089] RBP: ffffc900035ef858 R08: ffffffff81f5e070 R09: fffff520006bdee8 [ 54.087007][ T5089] R10: dffffc0000000000 R11: fffff520006bdee8 R12: 00000000ffffffff [ 54.087014][ T5089] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 54.087020][ T5089] FS: 0000555564010380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 54.087029][ T5089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.087035][ T5089] CR2: 00000000005fdeb8 CR3: 000000007bd96000 CR4: 00000000003506f0 [ 54.087045][ T5089] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.087050][ T5089] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.087056][ T5089] Call Trace: [ 54.087064][ T5089] [ 54.087068][ T5089] ? __die_body+0x88/0xe0 [ 54.087083][ T5089] ? die_addr+0x108/0x140 [ 54.087096][ T5089] ? exc_general_protection+0x3dd/0x5d0 [ 54.087118][ T5089] ? asm_exc_general_protection+0x26/0x30 [ 54.087132][ T5089] ? dequeue_hugetlb_folio_nodemask+0x100/0xe40 [ 54.087147][ T5089] ? dequeue_hugetlb_folio_nodemask+0x193/0xe40 [ 54.087163][ T5089] ? __pfx_dequeue_hugetlb_folio_nodemask+0x10/0x10 [ 54.087177][ T5089] ? _raw_spin_lock_irq+0xdf/0x120 [ 54.087189][ T5089] ? __pfx__raw_spin_lock_irq+0x10/0x10 [ 54.087204][ T5089] alloc_hugetlb_folio_nodemask+0xae/0x3f0 [ 54.087218][ T5089] memfd_alloc_folio+0x15e/0x390 [ 54.087232][ T5089] memfd_pin_folios+0x1066/0x1720 [ 54.087244][ T5089] ? kasan_save_track+0x51/0x80 [ 54.087261][ T5089] ? __pfx_memfd_pin_folios+0x10/0x10 [ 54.087277][ T5089] ? udmabuf_create+0x5f7/0x11c0 [ 54.087291][ T5089] ? rcu_is_watching+0x15/0xb0 [ 54.087303][ T5089] ? udmabuf_create+0x5f7/0x11c0 [ 54.087312][ T5089] ? __kmalloc_noprof+0x217/0x400 [ 54.087324][ T5089] udmabuf_create+0x658/0x11c0 [ 54.087339][ T5089] ? __pfx_udmabuf_create+0x10/0x10 [ 54.087349][ T5089] ? __might_fault+0xc6/0x120 [ 54.087361][ T5089] udmabuf_ioctl+0x304/0x4f0 [ 54.087371][ T5089] ? __pfx_udmabuf_ioctl+0x10/0x10 [ 54.087382][ T5089] ? __pfx_ptrace_notify+0x10/0x10 [ 54.087398][ T5089] ? bpf_lsm_file_ioctl+0x9/0x10 [ 54.087410][ T5089] ? security_file_ioctl+0x87/0xb0 [ 54.087423][ T5089] ? __pfx_udmabuf_ioctl+0x10/0x10 [ 54.087432][ T5089] __se_sys_ioctl+0xfc/0x170 [ 54.087446][ T5089] do_syscall_64+0xf3/0x230 [ 54.087457][ T5089] ? clear_bhb_loop+0x35/0x90 [ 54.087469][ T5089] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.087481][ T5089] RIP: 0033:0x7f5151a7a369 [ 54.087496][ T5089] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 [ 54.087503][ T5089] RSP: 002b:00007ffd962ee9e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.087513][ T5089] RAX: ffffffffffffffda RBX: 00007ffd962eebb8 RCX: 00007f5151a7a369 [ 54.087520][ T5089] RDX: 00000000200002c0 RSI: 0000000040187542 RDI: 0000000000000003 [ 54.087526][ T5089] RBP: 00007f5151aed610 R08: 00007ffd962eebb8 R09: 00007ffd962eebb8 [ 54.087533][ T5089] R10: 00007ffd962eebb8 R11: 0000000000000246 R12: 0000000000000001 [ 54.087539][ T5089] R13: 00007ffd962eeba8 R14: 0000000000000001 R15: 0000000000000001 [ 54.087549][ T5089] [ 54.087552][ T5089] Modules linked in: [ 54.087564][ T5089] ---[ end trace 0000000000000000 ]--- [ 54.490333][ T5089] RIP: 0010:dequeue_hugetlb_folio_nodemask+0x193/0xe40 [ 54.497185][ T5089] Code: 13 9b a0 ff c7 44 24 14 00 00 00 00 83 7c 24 40 00 0f 85 97 0c 00 00 48 83 7c 24 20 00 0f 85 45 09 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 58 09 00 00 44 8b 33 44 89 f7 8b 5c 24 [ 54.516779][ T5089] RSP: 0018:ffffc900035ef720 EFLAGS: 00010002 [ 54.522832][ T5089] RAX: 0000000000000489 RBX: 0000000000002448 RCX: ffff888026ef0000 [ 54.530788][ T5089] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 54.538746][ T5089] RBP: ffffc900035ef858 R08: ffffffff81f5e070 R09: fffff520006bdee8 [ 54.546708][ T5089] R10: dffffc0000000000 R11: fffff520006bdee8 R12: 00000000ffffffff [ 54.554667][ T5089] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 54.562627][ T5089] FS: 0000555564010380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 54.571541][ T5089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.578112][ T5089] CR2: 00000000005fdeb8 CR3: 000000007bd96000 CR4: 00000000003506f0 [ 54.586074][ T5089] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.594042][ T5089] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.602007][ T5089] Kernel panic - not syncing: Fatal exception [ 54.608262][ T5089] Kernel Offset: disabled [ 54.612575][ T5089] Rebooting in 86400 seconds..