./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2371449381 <...> Warning: Permanently added '10.128.1.130' (ED25519) to the list of known hosts. execve("./syz-executor2371449381", ["./syz-executor2371449381"], 0x7fff3755f060 /* 10 vars */) = 0 brk(NULL) = 0x55557bb47000 brk(0x55557bb47d00) = 0x55557bb47d00 arch_prctl(ARCH_SET_FS, 0x55557bb47380) = 0 set_tid_address(0x55557bb47650) = 5093 set_robust_list(0x55557bb47660, 24) = 0 rseq(0x55557bb47ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2371449381", 4096) = 28 getrandom("\x0f\x26\x17\xda\x6c\x4e\x32\x05", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557bb47d00 brk(0x55557bb68d00) = 0x55557bb68d00 brk(0x55557bb69000) = 0x55557bb69000 mprotect(0x7f2fc9aa3000, 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) = 0x7f2fc1400000 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 munmap(0x7f2fc1400000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777) = 0 [ 58.314019][ T5093] loop0: detected capacity change from 0 to 1024 [ 58.351882][ T5093] ======================================================= mount("/dev/loop0", "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", "hfsplus", MS_RDONLY|MS_NOEXEC|MS_MANDLOCK|MS_NODIRATIME|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "force,nls=maccyrillic,nodecompose,part=0x0000000000000003,barrier,part=0x00000000000000ff,uid=0x0000"...) = 0 openat(AT_FDCWD, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", O_RDONLY|O_DIRECTORY) = 3 chdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) mkdir(".", 0777) = -1 EEXIST (File exists) [ 58.351882][ T5093] WARNING: The mand mount option has been deprecated and [ 58.351882][ T5093] and is ignored by this kernel. Remove the mand [ 58.351882][ T5093] option from the mount to silence this warning. [ 58.351882][ T5093] ======================================================= mount(NULL, ".", 0x20000180, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x14\x27\x0e\x2d\x25\xcc\xcf\xf0\x78\xb9\x14\x0e\x8a\x1e\x19\xf3\xb4\xc3\xbd\x09\x96\x8d\xd1\x91\x1a\xce\xf2\x43\x21\xd7\x64\xd9\xe1\x17\xda\x79\x06\x3a\x62\xe3\xa5\x92\xfb\x42\xf7\xd9\xdd\xb2\x68\x2b\x4c\x2f\xf5\x80\xe2\x5f\xa8\xef\xfb\xd5\x3a\xcf\xb0\xf8\x70\xbc\x1e\x49\xd0\x1a\x5b\x7f\xf5\x51\x50\xd2\xbf\x3b\x04\x28\x58\xc5\x32\x5c\x2b\x56\x9b\x32\x0c\xd4\x4e\x49\xe2\x46\xcc\x1e\x41\xf0\x4d\x2e"...) = 0 openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 chdir(".") = 0 creat("./bus", 000) = 5 [ 58.452394][ T5093] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] PREEMPT SMP KASAN PTI [ 58.465251][ T5093] KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047] [ 58.473648][ T5093] CPU: 0 PID: 5093 Comm: syz-executor237 Not tainted 6.9.0-next-20240514-syzkaller #0 [ 58.483268][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 58.494366][ T5093] RIP: 0010:hfsplus_rename_cat+0x4b3/0x1050 [ 58.500282][ T5093] Code: 60 42 80 3c 20 00 48 8b 5c 24 20 74 05 e8 d5 2a 7b ff 48 8b 94 24 20 01 00 00 48 83 c3 40 48 89 d8 48 c1 e8 03 48 89 44 24 68 <42> 80 3c 20 00 48 89 54 24 08 74 0d 48 89 df e8 a9 2a 7b ff 48 8b [ 58.519876][ T5093] RSP: 0018:ffffc90002e7f760 EFLAGS: 00010202 [ 58.525932][ T5093] RAX: 0000000000000008 RBX: 0000000000000040 RCX: ffff888029cd1e00 [ 58.533894][ T5093] RDX: ffff888022680000 RSI: 0000000000000000 RDI: ffffc90002e7f880 [ 58.541873][ T5093] RBP: ffffc90002e7fbd0 R08: ffffffff82815104 R09: fe7469e219000000 [ 58.549855][ T5093] R10: fe7469e219000000 R11: fe7469e2fe7469e2 R12: dffffc0000000000 [ 58.557911][ T5093] R13: ffffc90002e7f84c R14: ffffc90002e7f8e0 R15: 1ffff920005cff00 [ 58.566073][ T5093] FS: 000055557bb47380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 58.575078][ T5093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.581846][ T5093] CR2: 000000000066c7e0 CR3: 000000002247a000 CR4: 00000000003506f0 [ 58.589844][ T5093] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.597852][ T5093] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.605816][ T5093] Call Trace: [ 58.609102][ T5093] [ 58.612031][ T5093] ? __die_body+0x88/0xe0 [ 58.616386][ T5093] ? die_addr+0x108/0x140 [ 58.620710][ T5093] ? exc_general_protection+0x3dd/0x5d0 [ 58.626275][ T5093] ? asm_exc_general_protection+0x26/0x30 [ 58.631978][ T5093] ? hfsplus_bnode_read+0xf4/0x1e0 [ 58.637095][ T5093] ? hfsplus_rename_cat+0x4b3/0x1050 [ 58.642566][ T5093] ? __kasan_slab_free+0x37/0x60 [ 58.647663][ T5093] ? __pfx_hfsplus_rename_cat+0x10/0x10 [ 58.653197][ T5093] ? number+0xb5e/0xf90 [ 58.657357][ T5093] ? hfsplus_unlink+0x161/0x790 [ 58.662279][ T5093] ? hfsplus_unlink+0x214/0x790 [ 58.667222][ T5093] ? __pfx_sprintf+0x10/0x10 [ 58.671799][ T5093] hfsplus_unlink+0x308/0x790 [ 58.676468][ T5093] ? __pfx_lock_acquire+0x10/0x10 [ 58.681509][ T5093] ? __pfx_hfsplus_unlink+0x10/0x10 [ 58.686780][ T5093] ? __down_write_common+0x162/0x200 [ 58.692053][ T5093] ? bpf_lsm_inode_unlink+0x9/0x10 [ 58.697150][ T5093] ? security_inode_unlink+0xd5/0x120 [ 58.702524][ T5093] vfs_unlink+0x365/0x650 [ 58.706837][ T5093] do_unlinkat+0x4ae/0x830 [ 58.711262][ T5093] ? __pfx_do_unlinkat+0x10/0x10 [ 58.716183][ T5093] ? __might_fault+0xc6/0x120 [ 58.720932][ T5093] ? strncpy_from_user+0x1a4/0x2f0 [ 58.726047][ T5093] __x64_sys_unlink+0x49/0x60 [ 58.730727][ T5093] do_syscall_64+0xf5/0x240 [ 58.735235][ T5093] ? clear_bhb_loop+0x35/0x90 [ 58.739897][ T5093] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.745971][ T5093] RIP: 0033:0x7f2fc9a2fc39 [ 58.750376][ T5093] 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 [ 58.770057][ T5093] RSP: 002b:00007ffcfb4ad048 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 58.778478][ T5093] RAX: ffffffffffffffda RBX: 00007f2fc9a7804b RCX: 00007f2fc9a2fc39 [ 58.786444][ T5093] RDX: 00007f2fc9a2fc39 RSI: 00007f2fc9a2efb7 RDI: 00000000200000c0 [ 58.794396][ T5093] RBP: 00007f2fc9a78055 R08: 0000000020000000 R09: 0000000020000000 [ 58.802435][ T5093] R10: 0000000000000073 R11: 0000000000000246 R12: 0000000000000001 [ 58.810386][ T5093] R13: 00007ffcfb4ad228 R14: 0000000000000001 R15: 0000000000000001 [ 58.818344][ T5093] [ 58.821347][ T5093] Modules linked in: [ 58.825835][ T5093] ---[ end trace 0000000000000000 ]--- [ 58.831317][ T5093] RIP: 0010:hfsplus_rename_cat+0x4b3/0x1050 [ 58.837364][ T5093] Code: 60 42 80 3c 20 00 48 8b 5c 24 20 74 05 e8 d5 2a 7b ff 48 8b 94 24 20 01 00 00 48 83 c3 40 48 89 d8 48 c1 e8 03 48 89 44 24 68 <42> 80 3c 20 00 48 89 54 24 08 74 0d 48 89 df e8 a9 2a 7b ff 48 8b [ 58.857118][ T5093] RSP: 0018:ffffc90002e7f760 EFLAGS: 00010202 [ 58.863201][ T5093] RAX: 0000000000000008 RBX: 0000000000000040 RCX: ffff888029cd1e00 [ 58.871258][ T5093] RDX: ffff888022680000 RSI: 0000000000000000 RDI: ffffc90002e7f880 [ 58.879266][ T5093] RBP: ffffc90002e7fbd0 R08: ffffffff82815104 R09: fe7469e219000000 [ 58.887280][ T5093] R10: fe7469e219000000 R11: fe7469e2fe7469e2 R12: dffffc0000000000 [ 58.895309][ T5093] R13: ffffc90002e7f84c R14: ffffc90002e7f8e0 R15: 1ffff920005cff00 [ 58.903384][ T5093] FS: 000055557bb47380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 58.912398][ T5093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.919024][ T5093] CR2: 000000000066c7e0 CR3: 000000002247a000 CR4: 00000000003506f0 [ 58.927324][ T5093] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.935336][ T5093] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.943405][ T5093] Kernel panic - not syncing: Fatal exception [ 58.949834][ T5093] Kernel Offset: disabled [ 58.954239][ T5093] Rebooting in 86400 seconds..