./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2826951645 <...> Warning: Permanently added '10.128.1.100' (ED25519) to the list of known hosts. execve("./syz-executor2826951645", ["./syz-executor2826951645"], 0x7fff61742340 /* 10 vars */) = 0 brk(NULL) = 0x5555558ec000 brk(0x5555558ecd00) = 0x5555558ecd00 arch_prctl(ARCH_SET_FS, 0x5555558ec380) = 0 set_tid_address(0x5555558ec650) = 5011 set_robust_list(0x5555558ec660, 24) = 0 rseq(0x5555558ecca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2826951645", 4096) = 28 getrandom("\xf2\x23\x11\x60\xe5\x10\x9c\xf4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555558ecd00 brk(0x55555590dd00) = 0x55555590dd00 brk(0x55555590e000) = 0x55555590e000 mprotect(0x7f8ff704b000, 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 [ 58.503318][ T26] audit: type=1400 audit(1689524481.422:83): avc: denied { write } for pid=5008 comm="strace-static-x" path="pipe:[30062]" dev="pipefs" ino=30062 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 58.530787][ T26] audit: type=1400 audit(1689524481.452:84): avc: denied { execmem } for pid=5011 comm="syz-executor282" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8feeb7c000 write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\xff\x01\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 munmap(0x7f8feeb7c000, 2097152) = 0 [ 58.542539][ T5011] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5011 'syz-executor282' openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file1", 0777) = 0 [ 58.585726][ T26] audit: type=1400 audit(1689524481.502:85): avc: denied { read write } for pid=5011 comm="syz-executor282" name="loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 58.588128][ T5011] loop0: detected capacity change from 0 to 4096 [ 58.618023][ T26] audit: type=1400 audit(1689524481.502:86): avc: denied { open } for pid=5011 comm="syz-executor282" path="/dev/loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 58.621284][ T5011] ======================================================= [ 58.621284][ T5011] WARNING: The mand mount option has been deprecated and [ 58.621284][ T5011] and is ignored by this kernel. Remove the mand [ 58.621284][ T5011] option from the mount to silence this warning. [ 58.621284][ T5011] ======================================================= [ 58.643006][ T26] audit: type=1400 audit(1689524481.502:87): avc: denied { ioctl } for pid=5011 comm="syz-executor282" path="/dev/loop0" dev="devtmpfs" ino=648 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 58.703099][ T26] audit: type=1400 audit(1689524481.542:88): avc: denied { mounton } for pid=5011 comm="syz-executor282" path="/root/file1" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 58.714379][ T5011] ntfs: volume version 3.1. [ 58.732552][ T5011] ntfs: (device loop0): ntfs_lookup_inode_by_name(): Index entry out of bounds in directory inode 0x5. mount("/dev/loop0", "./file1", "ntfs", MS_SYNCHRONOUS|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_RELATIME|MS_I_VERSION|MS_LAZYTIME, "") = 0 openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 chdir("./file1") = 0 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 [ 58.743710][ T5011] ntfs: (device loop0): check_windows_hibernation_status(): Failed to find inode number for hiberfil.sys. [ 58.755025][ T5011] ntfs: (device loop0): load_system_files(): Failed to determine if Windows is hibernated. Mounting read-only. Run chkdsk. [ 58.770089][ T26] audit: type=1400 audit(1689524481.692:89): avc: denied { mount } for pid=5011 comm="syz-executor282" name="/" dev="loop0" ino=5 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:dosfs_t tclass=filesystem permissive=1 [ 58.780980][ T5011] BUG: unable to handle page fault for address: ffffffffff0000ab [ 58.799971][ T5011] #PF: supervisor read access in kernel mode [ 58.805971][ T5011] #PF: error_code(0x0000) - not-present page [ 58.811961][ T5011] PGD c779067 P4D c779067 PUD c77b067 PMD c79b067 PTE 0 [ 58.818948][ T5011] Oops: 0000 [#1] PREEMPT SMP KASAN [ 58.824154][ T5011] CPU: 1 PID: 5011 Comm: syz-executor282 Not tainted 6.5.0-rc1-syzkaller-00259-g831fe284d827 #0 [ 58.834563][ T5011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 58.844615][ T5011] RIP: 0010:lookup_open.isra.0+0x94b/0x1360 [ 58.850546][ T5011] Code: ff 48 85 ed 0f 85 37 05 00 00 e8 40 f4 9a ff 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 73 08 00 00 <48> 83 7b 68 00 0f 85 a3 f9 ff ff e8 15 f4 9a ff 8b 6c 24 20 31 ff [ 58.870267][ T5011] RSP: 0018:ffffc9000340f968 EFLAGS: 00010246 [ 58.876356][ T5011] RAX: dffffc0000000000 RBX: ffffffffff000043 RCX: 0000000000000000 [ 58.884328][ T5011] RDX: 1fffffffffe00015 RSI: ffffffff81ea92c0 RDI: ffffffff8ac7e2e0 [ 58.892307][ T5011] RBP: ffffffffff000043 R08: 0000000000000000 R09: fffffbfff1d5590a [ 58.900284][ T5011] R10: ffffffff8eaac857 R11: ffffffff8a30a1e8 R12: 00000000ffffffe2 [ 58.908261][ T5011] R13: ffff888071f22540 R14: 0000000010000000 R15: ffffffffff0000ab [ 58.916238][ T5011] FS: 00005555558ec380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 58.925176][ T5011] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.931766][ T5011] CR2: ffffffffff0000ab CR3: 0000000020267000 CR4: 00000000003506e0 [ 58.939743][ T5011] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.947732][ T5011] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.955708][ T5011] Call Trace: [ 58.958985][ T5011] [ 58.961913][ T5011] ? __die+0x1e/0x60 [ 58.965824][ T5011] ? page_fault_oops+0x398/0xad0 [ 58.970769][ T5011] ? cmp_ex_sort+0xc0/0xc0 [ 58.975200][ T5011] ? dump_pagetable+0x530/0x530 [ 58.980054][ T5011] ? search_extable+0x83/0xb0 [ 58.984731][ T5011] ? is_prefetch.constprop.0+0xb6/0x550 [ 58.990281][ T5011] ? trim_init_extable+0x430/0x430 [ 58.995394][ T5011] ? __module_address+0x55/0x3b0 [ 59.000336][ T5011] ? pgtable_bad+0x80/0x80 [ 59.004758][ T5011] ? lookup_open.isra.0+0x94b/0x1360 [ 59.010057][ T5011] ? fixup_exception+0x110/0xc70 [ 59.015006][ T5011] ? kernelmode_fixup_or_oops+0x23c/0x2b0 [ 59.020730][ T5011] ? __bad_area_nosemaphore+0x390/0x6a0 [ 59.026283][ T5011] ? find_held_lock+0x2d/0x110 [ 59.031053][ T5011] ? spurious_kernel_fault+0x376/0x550 [ 59.036521][ T5011] ? do_kern_addr_fault+0x5b/0x70 [ 59.041554][ T5011] ? exc_page_fault+0xba/0xd0 [ 59.046239][ T5011] ? asm_exc_page_fault+0x26/0x30 [ 59.051275][ T5011] ? do_syscall_64+0x38/0xb0 [ 59.055866][ T5011] ? lookup_open.isra.0+0x930/0x1360 [ 59.061169][ T5011] ? lookup_open.isra.0+0x94b/0x1360 [ 59.066462][ T5011] ? lookup_open.isra.0+0x930/0x1360 [ 59.071753][ T5011] ? try_lookup_one_len+0x190/0x190 [ 59.076966][ T5011] ? reacquire_held_locks+0x4b0/0x4b0 [ 59.082350][ T5011] ? down_write_killable_nested+0x250/0x250 [ 59.088254][ T5011] path_openat+0x931/0x29c0 [ 59.092768][ T5011] ? path_lookupat+0x770/0x770 [ 59.097554][ T5011] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.103645][ T5011] do_filp_open+0x1de/0x430 [ 59.108157][ T5011] ? may_open_dev+0xf0/0xf0 [ 59.112677][ T5011] ? find_held_lock+0x2d/0x110 [ 59.117448][ T5011] ? _raw_spin_unlock+0x28/0x40 [ 59.122314][ T5011] ? alloc_fd+0x2da/0x6c0 [ 59.126658][ T5011] do_sys_openat2+0x176/0x1e0 [ 59.131345][ T5011] ? build_open_flags+0x690/0x690 [ 59.136382][ T5011] ? ptrace_notify+0xf4/0x130 [ 59.141061][ T5011] ? reacquire_held_locks+0x4b0/0x4b0 [ 59.146443][ T5011] __x64_sys_creat+0xcd/0x120 [ 59.151137][ T5011] ? __x64_compat_sys_openat+0x200/0x200 [ 59.156787][ T5011] ? _raw_spin_unlock_irq+0x2e/0x50 [ 59.161999][ T5011] ? ptrace_notify+0xf4/0x130 [ 59.166682][ T5011] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 59.172940][ T5011] do_syscall_64+0x38/0xb0 [ 59.177358][ T5011] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.183271][ T5011] RIP: 0033:0x7f8ff6fb95b9 [ 59.187689][ T5011] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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 [ 59.207301][ T5011] RSP: 002b:00007ffd29797788 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 59.215718][ T5011] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f8ff6fb95b9 [ 59.223690][ T5011] RDX: 00007f8ff6fb88b0 RSI: 0000000000000000 RDI: 0000000020000080 [ 59.231663][ T5011] RBP: 00007f8ff704b610 R08: 000000000001ee42 R09: 0000000000000000 [ 59.239633][ T5011] R10: 00007ffd29797650 R11: 0000000000000246 R12: 0000000000000001 [ 59.247605][ T5011] R13: 00007ffd29797958 R14: 0000000000000001 R15: 0000000000000001 [ 59.255581][ T5011] [ 59.258593][ T5011] Modules linked in: [ 59.262479][ T5011] CR2: ffffffffff0000ab [ 59.266627][ T5011] ---[ end trace 0000000000000000 ]--- [ 59.272074][ T5011] RIP: 0010:lookup_open.isra.0+0x94b/0x1360 [ 59.277979][ T5011] Code: ff 48 85 ed 0f 85 37 05 00 00 e8 40 f4 9a ff 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 73 08 00 00 <48> 83 7b 68 00 0f 85 a3 f9 ff ff e8 15 f4 9a ff 8b 6c 24 20 31 ff [ 59.297593][ T5011] RSP: 0018:ffffc9000340f968 EFLAGS: 00010246 [ 59.303666][ T5011] RAX: dffffc0000000000 RBX: ffffffffff000043 RCX: 0000000000000000 [ 59.311639][ T5011] RDX: 1fffffffffe00015 RSI: ffffffff81ea92c0 RDI: ffffffff8ac7e2e0 [ 59.319614][ T5011] RBP: ffffffffff000043 R08: 0000000000000000 R09: fffffbfff1d5590a [ 59.327602][ T5011] R10: ffffffff8eaac857 R11: ffffffff8a30a1e8 R12: 00000000ffffffe2 [ 59.335576][ T5011] R13: ffff888071f22540 R14: 0000000010000000 R15: ffffffffff0000ab [ 59.343550][ T5011] FS: 00005555558ec380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 59.352484][ T5011] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.359092][ T5011] CR2: ffffffffff0000ab CR3: 0000000020267000 CR4: 00000000003506e0 [ 59.367069][ T5011] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.375039][ T5011] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.383010][ T5011] Kernel panic - not syncing: Fatal exception [ 59.389151][ T5011] Kernel Offset: disabled [ 59.393460][ T5011] Rebooting in 86400 seconds..