./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor989438722 <...> Warning: Permanently added '10.128.0.245' (ED25519) to the list of known hosts. execve("./syz-executor989438722", ["./syz-executor989438722"], 0x7ffd70135590 /* 10 vars */) = 0 brk(NULL) = 0x555557434000 brk(0x555557434d00) = 0x555557434d00 arch_prctl(ARCH_SET_FS, 0x555557434380) = 0 set_tid_address(0x555557434650) = 5061 set_robust_list(0x555557434660, 24) = 0 rseq(0x555557434ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor989438722", 4096) = 27 getrandom("\x8c\x8a\xcc\x8c\x41\xf9\x2c\x77", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557434d00 brk(0x555557455d00) = 0x555557455d00 brk(0x555557456000) = 0x555557456000 mprotect(0x7ffa3b3dd000, 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("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffa32f0e000 write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\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\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 munmap(0x7ffa32f0e000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file1", 0777) = 0 mount("/dev/loop0", "./file1", "ntfs3", MS_NOEXEC|MS_SYNCHRONOUS|MS_REC|MS_I_VERSION, "") = 0 openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 chdir("./file1") = 0 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 chdir("./file0") = 0 [ 58.042975][ T5061] loop0: detected capacity change from 0 to 4096 [ 58.064655][ T5061] ntfs3: loop0: Different NTFS sector size (4096) and media sector size (512). openat(AT_FDCWD, "./file1", O_RDONLY) = 4 [ 58.135498][ T5061] general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] PREEMPT SMP KASAN [ 58.147240][ T5061] KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027] [ 58.155634][ T5061] CPU: 0 PID: 5061 Comm: syz-executor989 Not tainted 6.6.0-syzkaller-16201-gb57b17e88bf5 #0 [ 58.165674][ T5061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 58.175739][ T5061] RIP: 0010:attr_data_read_resident+0xad/0xa70 [ 58.181907][ T5061] Code: 00 00 e8 66 d8 ba fe bb ea ff ff ff e9 0a 05 00 00 48 8b 04 24 48 8d 58 20 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 05 fa 16 ff 4c 8b 33 49 c1 e6 0c 4c [ 58.201492][ T5061] RSP: 0018:ffffc90003ac7750 EFLAGS: 00010202 [ 58.207538][ T5061] RAX: 0000000000000004 RBX: 0000000000000020 RCX: dffffc0000000000 [ 58.215514][ T5061] RDX: ffff888015fad940 RSI: 0000000000000000 RDI: 0000000000000000 [ 58.223465][ T5061] RBP: ffff88801ec6e108 R08: ffffffff82d3e9d2 R09: ffffffff82dccd09 [ 58.231414][ T5061] R10: 0000000000000002 R11: ffff888015fad940 R12: dffffc0000000000 [ 58.239365][ T5061] R13: ffff888078ea07f8 R14: 00000000000000a0 R15: ffff888078ea0760 [ 58.247313][ T5061] FS: 0000555557434380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 58.256310][ T5061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.262910][ T5061] CR2: 000055c0e5b61000 CR3: 000000001cb3d000 CR4: 00000000003506f0 [ 58.270863][ T5061] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.278823][ T5061] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.286799][ T5061] Call Trace: [ 58.290156][ T5061] [ 58.293070][ T5061] ? __die_body+0x8b/0xe0 [ 58.297397][ T5061] ? die_addr+0xc9/0x100 [ 58.301636][ T5061] ? exc_general_protection+0x3c2/0x5b0 [ 58.307198][ T5061] ? asm_exc_general_protection+0x26/0x30 [ 58.312914][ T5061] ? mi_enum_attr+0x349/0x9e0 [ 58.317573][ T5061] ? attr_data_read_resident+0x72/0xa70 [ 58.323102][ T5061] ? attr_data_read_resident+0xad/0xa70 [ 58.328639][ T5061] ? __kernel_text_address+0xd/0x40 [ 58.333836][ T5061] ntfs_get_block_vbo+0x312/0xd00 [ 58.338859][ T5061] ? ntfs_get_block+0xb0/0xb0 [ 58.343518][ T5061] ? stack_trace_save+0x117/0x1c0 [ 58.348524][ T5061] ? stack_trace_snprint+0xf0/0xf0 [ 58.353621][ T5061] ? ntfs_get_block_bmap+0x74/0xd0 [ 58.358800][ T5061] generic_block_bmap+0x136/0x1e0 [ 58.363812][ T5061] ? ntfs_resident_writepage+0x150/0x150 [ 58.369424][ T5061] ? block_write_full_page+0x8a0/0x8a0 [ 58.374869][ T5061] ? __might_fault+0xa5/0x120 [ 58.379529][ T5061] ? __lock_acquire+0x7f70/0x7f70 [ 58.384559][ T5061] ? cap_capable+0x1b4/0x240 [ 58.389132][ T5061] ? bpf_lsm_capable+0x9/0x10 [ 58.393789][ T5061] ? ntfs_readahead+0x220/0x220 [ 58.398618][ T5061] bmap+0xa5/0xe0 [ 58.402329][ T5061] do_vfs_ioctl+0x203c/0x2b40 [ 58.406989][ T5061] ? __x64_compat_sys_ioctl+0x90/0x90 [ 58.412352][ T5061] ? __lock_acquire+0x7f70/0x7f70 [ 58.417353][ T5061] ? lockdep_hardirqs_on+0x98/0x140 [ 58.422536][ T5061] ? __kmem_cache_free+0x263/0x3a0 [ 58.427724][ T5061] ? tomoyo_path_number_perm+0x68d/0x870 [ 58.433341][ T5061] ? tomoyo_path_number_perm+0x71a/0x870 [ 58.438966][ T5061] ? tomoyo_path_number_perm+0x208/0x870 [ 58.444587][ T5061] ? tomoyo_check_path_acl+0x1c0/0x1c0 [ 58.450035][ T5061] ? __asan_memset+0x23/0x40 [ 58.454612][ T5061] ? smack_file_ioctl+0x2a1/0x3a0 [ 58.459631][ T5061] ? smack_file_alloc_security+0xe0/0xe0 [ 58.465254][ T5061] ? do_notify_parent+0x10c0/0x10c0 [ 58.470447][ T5061] ? print_irqtrace_events+0x220/0x220 [ 58.475897][ T5061] ? bpf_lsm_file_ioctl+0x9/0x10 [ 58.480819][ T5061] ? security_file_ioctl+0x81/0xa0 [ 58.485914][ T5061] __se_sys_ioctl+0x81/0x170 [ 58.490490][ T5061] do_syscall_64+0x44/0x110 [ 58.494973][ T5061] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 58.500853][ T5061] RIP: 0033:0x7ffa3b34bab9 [ 58.505261][ T5061] 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 [ 58.524893][ T5061] RSP: 002b:00007ffd74dbd5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.533333][ T5061] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007ffa3b34bab9 [ 58.541293][ T5061] RDX: 0000000020000100 RSI: 0000000000000001 RDI: 0000000000000004 [ 58.549249][ T5061] RBP: 00007ffa3b3dd610 R08: 0000000000000000 R09: 00007ffd74dbd7a8 [ 58.557212][ T5061] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 58.565163][ T5061] R13: 00007ffd74dbd798 R14: 0000000000000001 R15: 0000000000000001 [ 58.573124][ T5061] [ 58.576123][ T5061] Modules linked in: [ 58.580425][ T5061] ---[ end trace 0000000000000000 ]--- [ 58.585978][ T5061] RIP: 0010:attr_data_read_resident+0xad/0xa70 [ 58.592170][ T5061] Code: 00 00 e8 66 d8 ba fe bb ea ff ff ff e9 0a 05 00 00 48 8b 04 24 48 8d 58 20 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 05 fa 16 ff 4c 8b 33 49 c1 e6 0c 4c [ 58.611809][ T5061] RSP: 0018:ffffc90003ac7750 EFLAGS: 00010202 [ 58.617900][ T5061] RAX: 0000000000000004 RBX: 0000000000000020 RCX: dffffc0000000000 [ 58.625853][ T5061] RDX: ffff888015fad940 RSI: 0000000000000000 RDI: 0000000000000000 [ 58.633839][ T5061] RBP: ffff88801ec6e108 R08: ffffffff82d3e9d2 R09: ffffffff82dccd09 [ 58.641837][ T5061] R10: 0000000000000002 R11: ffff888015fad940 R12: dffffc0000000000 [ 58.649818][ T5061] R13: ffff888078ea07f8 R14: 00000000000000a0 R15: ffff888078ea0760 [ 58.657820][ T5061] FS: 0000555557434380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 58.666756][ T5061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.673375][ T5061] CR2: 000055c0e5b61000 CR3: 000000001cb3d000 CR4: 00000000003506f0 [ 58.681358][ T5061] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.689369][ T5061] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.697347][ T5061] Kernel panic - not syncing: Fatal exception [ 58.703565][ T5061] Kernel Offset: disabled [ 58.707869][ T5061] Rebooting in 86400 seconds..