./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3195653642 <...> Warning: Permanently added '10.128.1.23' (ED25519) to the list of known hosts. execve("./syz-executor3195653642", ["./syz-executor3195653642"], 0x7ffc16de6290 /* 10 vars */) = 0 brk(NULL) = 0x555574727000 brk(0x555574727d00) = 0x555574727d00 arch_prctl(ARCH_SET_FS, 0x555574727380) = 0 set_tid_address(0x555574727650) = 5830 set_robust_list(0x555574727660, 24) = 0 rseq(0x555574727ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3195653642", 4096) = 28 getrandom("\xd3\x13\x75\x56\xd2\x4a\xa1\xa4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555574727d00 brk(0x555574748d00) = 0x555574748d00 brk(0x555574749000) = 0x555574749000 mprotect(0x7f7ddb55e000, 16384, PROT_READ) = 0 mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000 mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000 mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5831 attached , child_tidptr=0x555574727650) = 5831 [pid 5831] set_robust_list(0x555574727660, 24) = 0 [pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5831] setpgid(0, 0) = 0 [pid 5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5831] write(3, "1000", 4) = 4 [pid 5831] close(3) = 0 [pid 5831] write(1, "executing program\n", 18executing program ) = 18 [pid 5831] memfd_create("syzkaller", 0) = 3 [pid 5831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7dd3000000 [pid 5831] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5831] munmap(0x7f7dd3000000, 138412032) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5831] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5831] close(3) = 0 [pid 5831] close(4) = 0 [pid 5831] mkdir("./file0", 0777) = 0 [pid 5831] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION, "\x66\x6f\x72\x63\x65\x2c\x6e\x6c\x73\x3d\x65\x75\x63\x2d\x6a\x70\x2c\x62\x61\x72\x72\x69\x65\x72\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x75\x6d\x61\x73\x6b\x3d\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x36\x2c\x66\x6f\x72\x63\x65\x2c\x62\x61\x72\x72\x69\x65\x72\x2c\x74\x79\x70\x65\x3d\x49\xd3\x88\x24\x2c\x67\x69\x64\x3d\x30\x78\x30\x30\x30\x30\x30"...) = 0 [pid 5831] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 91.371686][ T5831] loop0: detected capacity change from 0 to 1024 [pid 5831] chdir("./file0") = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 91.453796][ T5831] hfsplus: found bad thread record in catalog [ 91.460525][ T5831] BUG: unable to handle page fault for address: fffffffffffffffb [ 91.468242][ T5831] #PF: supervisor read access in kernel mode [ 91.474308][ T5831] #PF: error_code(0x0000) - not-present page [ 91.480538][ T5831] PGD e93c067 P4D e93c067 PUD e93e067 PMD 0 [ 91.486538][ T5831] Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI [ 91.492597][ T5831] CPU: 0 UID: 0 PID: 5831 Comm: syz-executor319 Not tainted 6.14.0-rc2-next-20250214-syzkaller #0 [ 91.503169][ T5831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 91.513299][ T5831] RIP: 0010:lookup_one_qstr_excl+0x162/0x370 [ 91.519315][ T5831] Code: d3 66 90 48 85 c0 0f 85 58 01 00 00 e8 d7 03 84 ff 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 57 01 00 00 bb 00 00 38 00 <41> 23 1e 44 89 fd 81 e5 00 00 02 00 89 de 09 ee 31 ff e8 e7 07 84 [ 91.539017][ T5831] RSP: 0018:ffffc90003f6fbf8 EFLAGS: 00010246 [ 91.545081][ T5831] RAX: 0000000000000000 RBX: 0000000000380000 RCX: ffff88807b141e00 [ 91.553037][ T5831] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 91.561053][ T5831] RBP: ffff88807a839cbc R08: ffff88807c738233 R09: 1ffff1100f8e7046 [ 91.569023][ T5831] R10: dffffc0000000000 R11: ffffed100f8e7047 R12: ffff88807c738178 [ 91.576986][ T5831] R13: dffffc0000000000 R14: fffffffffffffffb R15: 0000000000000000 [ 91.585034][ T5831] FS: 0000555574727380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 91.593964][ T5831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.600554][ T5831] CR2: fffffffffffffffb CR3: 0000000077e84000 CR4: 00000000003526f0 [ 91.608615][ T5831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.616574][ T5831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.624557][ T5831] Call Trace: [ 91.627859][ T5831] [ 91.630787][ T5831] ? __die_body+0x5f/0xb0 [ 91.635111][ T5831] ? page_fault_oops+0x8e4/0xcc0 [ 91.640051][ T5831] ? do_renameat2+0x664/0x1280 [ 91.644804][ T5831] ? __x64_sys_rename+0x82/0x90 [ 91.649660][ T5831] ? __pfx_page_fault_oops+0x10/0x10 [ 91.655019][ T5831] ? is_prefetch+0x4ed/0x780 [ 91.659616][ T5831] ? __pfx_is_prefetch+0x10/0x10 [ 91.664554][ T5831] ? __bad_area_nosemaphore+0x118/0x770 [ 91.670096][ T5831] ? __pfx___bad_area_nosemaphore+0x10/0x10 [ 91.675993][ T5831] ? spurious_kernel_fault+0x119/0x5a0 [ 91.681453][ T5831] ? exc_page_fault+0x5c8/0x8b0 [ 91.686311][ T5831] ? asm_exc_page_fault+0x26/0x30 [ 91.691347][ T5831] ? lookup_one_qstr_excl+0x162/0x370 [ 91.696731][ T5831] ? lookup_one_qstr_excl+0x2ac/0x370 [ 91.702204][ T5831] ? lock_two_directories+0x16f/0x220 [ 91.707647][ T5831] do_renameat2+0x664/0x1280 [ 91.712264][ T5831] ? __pfx_do_renameat2+0x10/0x10 [ 91.717294][ T5831] ? __virt_addr_valid+0x183/0x530 [ 91.722399][ T5831] ? __virt_addr_valid+0x45f/0x530 [ 91.727500][ T5831] ? __phys_addr_symbol+0x2f/0x70 [ 91.732520][ T5831] ? strncpy_from_user+0x150/0x280 [ 91.737627][ T5831] ? getname_flags+0x1e3/0x530 [ 91.742391][ T5831] __x64_sys_rename+0x82/0x90 [ 91.747068][ T5831] do_syscall_64+0xf3/0x230 [ 91.751582][ T5831] ? clear_bhb_loop+0x35/0x90 [ 91.756253][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.762135][ T5831] RIP: 0033:0x7f7ddb4e9d99 [ 91.766549][ T5831] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 [ 91.786157][ T5831] RSP: 002b:00007fff83940438 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 91.794582][ T5831] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7ddb4e9d99 [ 91.802640][ T5831] RDX: 00007f7ddb4e8d91 RSI: 0000400000001300 RDI: 0000400000000040 [ 91.810603][ T5831] RBP: 00007f7ddb55e5f0 R08: 00000000000006dc R09: 00005555747284c0 [ 91.818563][ T5831] R10: 00007fff83940300 R11: 0000000000000246 R12: 00007fff83940460 [ 91.826522][ T5831] R13: 00007fff83940688 R14: 431bde82d7b634db R15: 00007f7ddb53303b [ 91.834486][ T5831] [ 91.837515][ T5831] Modules linked in: [ 91.841450][ T5831] CR2: fffffffffffffffb [ 91.845586][ T5831] ---[ end trace 0000000000000000 ]--- [ 91.851028][ T5831] RIP: 0010:lookup_one_qstr_excl+0x162/0x370 [ 91.856998][ T5831] Code: d3 66 90 48 85 c0 0f 85 58 01 00 00 e8 d7 03 84 ff 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 57 01 00 00 bb 00 00 38 00 <41> 23 1e 44 89 fd 81 e5 00 00 02 00 89 de 09 ee 31 ff e8 e7 07 84 [ 91.876619][ T5831] RSP: 0018:ffffc90003f6fbf8 EFLAGS: 00010246 [ 91.882696][ T5831] RAX: 0000000000000000 RBX: 0000000000380000 RCX: ffff88807b141e00 [ 91.890769][ T5831] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 91.898742][ T5831] RBP: ffff88807a839cbc R08: ffff88807c738233 R09: 1ffff1100f8e7046 [ 91.906834][ T5831] R10: dffffc0000000000 R11: ffffed100f8e7047 R12: ffff88807c738178 [ 91.914825][ T5831] R13: dffffc0000000000 R14: fffffffffffffffb R15: 0000000000000000 [ 91.922796][ T5831] FS: 0000555574727380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 91.932158][ T5831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.938729][ T5831] CR2: fffffffffffffffb CR3: 0000000077e84000 CR4: 00000000003526f0 [ 91.946799][ T5831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.954778][ T5831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.963045][ T5831] Kernel panic - not syncing: Fatal exception [ 91.969969][ T5831] Kernel Offset: disabled [ 91.974299][ T5831] Rebooting in 86400 seconds..