./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor603885082 <...> Warning: Permanently added '10.128.0.139' (ED25519) to the list of known hosts. execve("./syz-executor603885082", ["./syz-executor603885082"], 0x7fff8cec81f0 /* 10 vars */) = 0 brk(NULL) = 0x55558f377000 brk(0x55558f377d00) = 0x55558f377d00 arch_prctl(ARCH_SET_FS, 0x55558f377380) = 0 set_tid_address(0x55558f377650) = 5094 set_robust_list(0x55558f377660, 24) = 0 rseq(0x55558f377ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor603885082", 4096) = 27 getrandom("\x86\x61\x6e\x98\x62\x68\xcb\xe1", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558f377d00 brk(0x55558f398d00) = 0x55558f398d00 brk(0x55558f399000) = 0x55558f399000 mprotect(0x7fb1c1727000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5095 attached [pid 5095] set_robust_list(0x55558f377660, 24 [pid 5094] <... clone resumed>, child_tidptr=0x55558f377650) = 5095 [pid 5095] <... set_robust_list resumed>) = 0 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5095] setpgid(0, 0) = 0 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5095] write(3, "1000", 4) = 4 [pid 5095] close(3) = 0 [pid 5095] write(1, "executing program\n", 18executing program ) = 18 [pid 5095] openat(AT_FDCWD, "/dev/udmabuf", O_RDWR) = 3 [pid 5095] memfd_create("\x79\x10\x35\xfb\xf7\x75\x83\x25\x1f\xe0\x39\x40\x3a\x72\xc2\xb9\x78\x30\x90\x50\x03", MFD_ALLOW_SEALING|MFD_HUGETLB) = 4 [pid 5095] fcntl(4, F_ADD_SEALS, F_SEAL_SEAL|F_SEAL_SHRINK|F_SEAL_GROW) = 0 [ 58.038722][ T5095] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000489: 0000 [#1] PREEMPT SMP KASAN PTI [ 58.038740][ T5095] KASAN: probably user-memory-access in range [0x0000000000002448-0x000000000000244f] [ 58.038755][ T5095] CPU: 1 PID: 5095 Comm: syz-executor603 Not tainted 6.10.0-rc2-next-20240607-syzkaller #0 [ 58.038766][ T5095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 58.038774][ T5095] RIP: 0010:dequeue_hugetlb_folio_nodemask+0x193/0xe40 [ 58.038803][ T5095] Code: 93 7a 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 [ 58.038811][ T5095] RSP: 0018:ffffc900035bf720 EFLAGS: 00010002 [ 58.038822][ T5095] RAX: 0000000000000489 RBX: 0000000000002448 RCX: ffff88807651bc00 [ 58.038829][ T5095] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 58.038835][ T5095] RBP: ffffc900035bf858 R08: ffffffff81f5e800 R09: fffff520006b7ee8 [ 58.038842][ T5095] R10: dffffc0000000000 R11: fffff520006b7ee8 R12: 00000000ffffffff [ 58.038849][ T5095] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 58.038856][ T5095] FS: 000055558f377380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 58.038864][ T5095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.038871][ T5095] CR2: 00000000005fdeb8 CR3: 000000001cfda000 CR4: 00000000003506f0 [ 58.038880][ T5095] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.038886][ T5095] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.038892][ T5095] Call Trace: [ 58.038896][ T5095] [ 58.038900][ T5095] ? __die_body+0x88/0xe0 [ 58.038915][ T5095] ? die_addr+0x108/0x140 [ 58.038931][ T5095] ? exc_general_protection+0x3dd/0x5d0 [ 58.038952][ T5095] ? asm_exc_general_protection+0x26/0x30 [ 58.038964][ T5095] ? dequeue_hugetlb_folio_nodemask+0x100/0xe40 [ 58.038974][ T5095] ? dequeue_hugetlb_folio_nodemask+0x193/0xe40 [ 58.038987][ T5095] ? __pfx_dequeue_hugetlb_folio_nodemask+0x10/0x10 [ 58.038996][ T5095] ? _raw_spin_lock_irq+0xdf/0x120 [ 58.039008][ T5095] ? __pfx__raw_spin_lock_irq+0x10/0x10 [ 58.039026][ T5095] alloc_hugetlb_folio_nodemask+0xae/0x3f0 [ 58.039043][ T5095] memfd_alloc_folio+0x15e/0x390 [ 58.039066][ T5095] memfd_pin_folios+0x1066/0x1720 [ 58.039088][ T5095] ? kasan_save_track+0x51/0x80 [ 58.039115][ T5095] ? __pfx_memfd_pin_folios+0x10/0x10 [ 58.039146][ T5095] ? udmabuf_create+0x5f7/0x11c0 [ 58.039175][ T5095] ? rcu_is_watching+0x15/0xb0 [ 58.039195][ T5095] ? udmabuf_create+0x5f7/0x11c0 [ 58.039211][ T5095] ? __kmalloc_noprof+0x217/0x400 [ 58.039223][ T5095] udmabuf_create+0x658/0x11c0 [ 58.039239][ T5095] ? __pfx_udmabuf_create+0x10/0x10 [ 58.039250][ T5095] ? __might_fault+0xc6/0x120 [ 58.039262][ T5095] udmabuf_ioctl+0x304/0x4f0 [ 58.039272][ T5095] ? __pfx_udmabuf_ioctl+0x10/0x10 [ 58.039284][ T5095] ? __pfx_ptrace_notify+0x10/0x10 [ 58.039301][ T5095] ? bpf_lsm_file_ioctl+0x9/0x10 [ 58.039313][ T5095] ? security_file_ioctl+0x87/0xb0 [ 58.039326][ T5095] ? __pfx_udmabuf_ioctl+0x10/0x10 [ 58.039336][ T5095] __se_sys_ioctl+0xfc/0x170 [ 58.039350][ T5095] do_syscall_64+0xf3/0x230 [ 58.039359][ T5095] ? clear_bhb_loop+0x35/0x90 [ 58.039370][ T5095] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.039380][ T5095] RIP: 0033:0x7fb1c16b4ab9 [ 58.039393][ T5095] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 58.039400][ T5095] RSP: 002b:00007fff21e63e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.039412][ T5095] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb1c16b4ab9 [ 58.039419][ T5095] RDX: 0000000020000000 RSI: 0000000040187542 RDI: 0000000000000003 [ 58.039425][ T5095] RBP: 00007fb1c17275f0 R08: 0000000000000006 R09: 0000000000000006 [ 58.039431][ T5095] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000001 [ 58.039437][ T5095] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 58.039447][ T5095] [ 58.039450][ T5095] Modules linked in: [ 58.039461][ T5095] ---[ end trace 0000000000000000 ]--- [ 58.443710][ T5095] RIP: 0010:dequeue_hugetlb_folio_nodemask+0x193/0xe40 [ 58.450653][ T5095] Code: 93 7a 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 [ 58.470258][ T5095] RSP: 0018:ffffc900035bf720 EFLAGS: 00010002 [ 58.476350][ T5095] RAX: 0000000000000489 RBX: 0000000000002448 RCX: ffff88807651bc00 [ 58.484413][ T5095] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 58.492383][ T5095] RBP: ffffc900035bf858 R08: ffffffff81f5e800 R09: fffff520006b7ee8 [ 58.500343][ T5095] R10: dffffc0000000000 R11: fffff520006b7ee8 R12: 00000000ffffffff [ 58.508308][ T5095] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 58.516278][ T5095] FS: 000055558f377380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 58.525206][ T5095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.531803][ T5095] CR2: 00000000005fdeb8 CR3: 000000001cfda000 CR4: 00000000003506f0 [ 58.539881][ T5095] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.547858][ T5095] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.555831][ T5095] Kernel panic - not syncing: Fatal exception [ 58.562108][ T5095] Kernel Offset: disabled [ 58.566507][ T5095] Rebooting in 86400 seconds..