./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1131320877 <...> Warning: Permanently added '10.128.0.76' (ED25519) to the list of known hosts. execve("./syz-executor1131320877", ["./syz-executor1131320877"], 0x7ffc2f46c790 /* 10 vars */) = 0 brk(NULL) = 0x55557baa4000 brk(0x55557baa4d00) = 0x55557baa4d00 arch_prctl(ARCH_SET_FS, 0x55557baa4380) = 0 set_tid_address(0x55557baa4650) = 5218 set_robust_list(0x55557baa4660, 24) = 0 rseq(0x55557baa4ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1131320877", 4096) = 28 getrandom("\x64\x2e\x21\x6e\x96\xa6\xd9\x14", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557baa4d00 brk(0x55557bac5d00) = 0x55557bac5d00 brk(0x55557bac6000) = 0x55557bac6000 mprotect(0x7f57dcd36000, 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 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 5219 attached , child_tidptr=0x55557baa4650) = 5219 [pid 5219] set_robust_list(0x55557baa4660, 24) = 0 [pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5219] setpgid(0, 0) = 0 [pid 5219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "1000", 4) = 4 [pid 5219] close(3) = 0 [pid 5219] write(1, "executing program\n", 18executing program ) = 18 [pid 5219] memfd_create("syzkaller", 0) = 3 [pid 5219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f57d4800000 [pid 5219] 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 5219] munmap(0x7f57d4800000, 138412032) = 0 [pid 5219] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5219] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5219] close(3) = 0 [pid 5219] close(4) = 0 [pid 5219] mkdir("./file1", 0777) = 0 [pid 5219] mount("/dev/loop0", "./file1", "hfsplus", MS_SILENT|MS_STRICTATIME, "") = 0 [pid 5219] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5219] chdir("./file1") = 0 [pid 5219] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 60.485972][ T5219] loop0: detected capacity change from 0 to 1024 [ 60.531209][ T5219] ------------[ cut here ]------------ [ 60.536856][ T5219] kernel BUG at fs/hfsplus/xattr.c:175! [ 60.542424][ T5219] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 60.549455][ T5219] CPU: 0 UID: 0 PID: 5219 Comm: syz-executor113 Not tainted 6.11.0-rc7-syzkaller-00093-gfdf042df0463 #0 [ 60.560550][ T5219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 60.570609][ T5219] RIP: 0010:__hfsplus_setxattr+0x22c4/0x22d0 [ 60.576607][ T5219] Code: e8 f1 2b 31 09 e8 dc 9e 13 ff 4c 89 ff 48 c7 c6 a0 e9 01 8c e8 ad 46 5b ff 90 0f 0b e8 c5 9e 13 ff 90 0f 0b e8 bd 9e 13 ff 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 [ 60.596231][ T5219] RSP: 0018:ffffc90003aa7320 EFLAGS: 00010293 [ 60.602302][ T5219] RAX: ffffffff827feda3 RBX: 0000000000010000 RCX: ffff88807d09bc00 [ 60.610265][ T5219] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000 [ 60.618221][ T5219] RBP: ffffc90003aa77a8 R08: ffffffff827fd4c3 R09: 1ffff110062e5556 [ 60.626175][ T5219] R10: dffffc0000000000 R11: ffffed10062e5557 R12: ffff88803172a370 [ 60.634217][ T5219] R13: dffffc0000000000 R14: ffff88803172aa30 R15: 0000000000000000 [ 60.642204][ T5219] FS: 000055557baa4380(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 [ 60.651116][ T5219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.657685][ T5219] CR2: 0000560830c63000 CR3: 000000002f61c000 CR4: 00000000003506f0 [ 60.665642][ T5219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.673595][ T5219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.681548][ T5219] Call Trace: [ 60.684831][ T5219] [ 60.687745][ T5219] ? __die_body+0x88/0xe0 [ 60.692068][ T5219] ? die+0xcf/0x110 [ 60.695875][ T5219] ? do_trap+0x15a/0x3a0 [ 60.700102][ T5219] ? __hfsplus_setxattr+0x22c4/0x22d0 [ 60.705459][ T5219] ? do_error_trap+0x1dc/0x2c0 [ 60.710236][ T5219] ? __hfsplus_setxattr+0x22c4/0x22d0 [ 60.715593][ T5219] ? __pfx_do_error_trap+0x10/0x10 [ 60.720712][ T5219] ? handle_invalid_op+0x34/0x40 [ 60.725631][ T5219] ? __hfsplus_setxattr+0x22c4/0x22d0 [ 60.730984][ T5219] ? exc_invalid_op+0x38/0x50 [ 60.735648][ T5219] ? asm_exc_invalid_op+0x1a/0x20 [ 60.740652][ T5219] ? __hfsplus_setxattr+0x9e3/0x22d0 [ 60.745940][ T5219] ? __hfsplus_setxattr+0x22c3/0x22d0 [ 60.751323][ T5219] ? __hfsplus_setxattr+0x22c4/0x22d0 [ 60.756718][ T5219] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 60.763031][ T5219] ? __pfx___hfsplus_setxattr+0x10/0x10 [ 60.768575][ T5219] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 60.774465][ T5219] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 60.780775][ T5219] ? stack_trace_save+0x118/0x1d0 [ 60.785788][ T5219] ? stack_depot_save_flags+0x6e4/0x830 [ 60.791338][ T5219] ? __kasan_kmalloc+0x98/0xb0 [ 60.796086][ T5219] ? hfsplus_initxattrs+0x5d/0x220 [ 60.801194][ T5219] hfsplus_initxattrs+0x158/0x220 [ 60.806213][ T5219] security_inode_init_security+0x250/0x440 [ 60.812088][ T5219] ? __pfx_hfsplus_initxattrs+0x10/0x10 [ 60.817625][ T5219] ? __pfx_security_inode_init_security+0x10/0x10 [ 60.824018][ T5219] ? _raw_spin_unlock+0x28/0x50 [ 60.828856][ T5219] hfsplus_mknod+0x1c6/0x2a0 [ 60.833432][ T5219] ? __pfx_hfsplus_create+0x10/0x10 [ 60.838637][ T5219] path_openat+0x1a9a/0x3470 [ 60.843219][ T5219] ? __pfx_path_openat+0x10/0x10 [ 60.848145][ T5219] do_filp_open+0x235/0x490 [ 60.852631][ T5219] ? __pfx_do_filp_open+0x10/0x10 [ 60.857650][ T5219] ? _raw_spin_unlock+0x28/0x50 [ 60.862503][ T5219] ? alloc_fd+0x5a1/0x640 [ 60.866820][ T5219] do_sys_openat2+0x13e/0x1d0 [ 60.871499][ T5219] ? __pfx_do_sys_openat2+0x10/0x10 [ 60.876678][ T5219] ? _raw_spin_unlock_irq+0x2e/0x50 [ 60.881858][ T5219] ? ptrace_notify+0x279/0x380 [ 60.886627][ T5219] __x64_sys_creat+0x123/0x170 [ 60.891391][ T5219] ? __pfx___x64_sys_creat+0x10/0x10 [ 60.896661][ T5219] ? do_syscall_64+0x100/0x230 [ 60.901406][ T5219] do_syscall_64+0xf3/0x230 [ 60.905890][ T5219] ? clear_bhb_loop+0x35/0x90 [ 60.910553][ T5219] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 60.916433][ T5219] RIP: 0033:0x7f57dccc2a99 [ 60.920838][ T5219] 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 [ 60.940601][ T5219] RSP: 002b:00007fff27435378 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 60.949000][ T5219] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f57dccc2a99 [ 60.956952][ T5219] RDX: 00007f57dccc1a91 RSI: 0000000000000000 RDI: 0000000020000140 [ 60.964907][ T5219] RBP: 00007f57dcd365f0 R08: 00000000000005e1 R09: 000055557baa54c0 [ 60.972865][ T5219] R10: 00007fff27435240 R11: 0000000000000246 R12: 00007fff274353a0 [ 60.980823][ T5219] R13: 00007fff274355c8 R14: 431bde82d7b634db R15: 00007f57dcd0b03b [ 60.988801][ T5219] [ 60.991822][ T5219] Modules linked in: [ 60.996216][ T5219] ---[ end trace 0000000000000000 ]--- [ 61.001700][ T5219] RIP: 0010:__hfsplus_setxattr+0x22c4/0x22d0 [ 61.007799][ T5219] Code: e8 f1 2b 31 09 e8 dc 9e 13 ff 4c 89 ff 48 c7 c6 a0 e9 01 8c e8 ad 46 5b ff 90 0f 0b e8 c5 9e 13 ff 90 0f 0b e8 bd 9e 13 ff 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 [ 61.027452][ T5219] RSP: 0018:ffffc90003aa7320 EFLAGS: 00010293 [ 61.033537][ T5219] RAX: ffffffff827feda3 RBX: 0000000000010000 RCX: ffff88807d09bc00 [ 61.041608][ T5219] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000 [ 61.049777][ T5219] RBP: ffffc90003aa77a8 R08: ffffffff827fd4c3 R09: 1ffff110062e5556 [ 61.057796][ T5219] R10: dffffc0000000000 R11: ffffed10062e5557 R12: ffff88803172a370 [ 61.065819][ T5219] R13: dffffc0000000000 R14: ffff88803172aa30 R15: 0000000000000000 [ 61.073778][ T5219] FS: 000055557baa4380(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 [ 61.082726][ T5219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.089360][ T5219] CR2: 00007f05f0995ed8 CR3: 000000002f61c000 CR4: 00000000003506f0 [ 61.097345][ T5219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.105359][ T5219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.113329][ T5219] Kernel panic - not syncing: Fatal exception [ 61.119588][ T5219] Kernel Offset: disabled [ 61.123897][ T5219] Rebooting in 86400 seconds..