./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1933752781 <...> Warning: Permanently added '10.128.0.226' (ED25519) to the list of known hosts. execve("./syz-executor1933752781", ["./syz-executor1933752781"], 0x7ffd957d2de0 /* 10 vars */) = 0 brk(NULL) = 0x555556f94000 brk(0x555556f94d00) = 0x555556f94d00 arch_prctl(ARCH_SET_FS, 0x555556f94380) = 0 set_tid_address(0x555556f94650) = 5014 set_robust_list(0x555556f94660, 24) = 0 rseq(0x555556f94ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1933752781", 4096) = 28 getrandom("\xc2\x0f\xb3\x58\x12\xe6\x5c\xb0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556f94d00 brk(0x555556fb5d00) = 0x555556fb5d00 brk(0x555556fb6000) = 0x555556fb6000 mprotect(0x7fda7bb20000, 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) = 0x7fda73670000 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(0x7fda73670000, 524288) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 mount("/dev/loop0", "./file0", "hfsplus", 0, "") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 [ 55.657159][ T5014] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5014 'syz-executor193' [ 55.677372][ T5014] loop0: detected capacity change from 0 to 1024 [ 55.707098][ T5014] ------------[ cut here ]------------ [ 55.712732][ T5014] kernel BUG at fs/hfsplus/xattr.c:175! [ 55.719613][ T5014] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 55.725787][ T5014] CPU: 0 PID: 5014 Comm: syz-executor193 Not tainted 6.5.0-rc3-syzkaller-00297-gd31e3792919e #0 [ 55.736178][ T5014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 55.746312][ T5014] RIP: 0010:__hfsplus_setxattr+0x22c1/0x22d0 [ 55.752301][ T5014] Code: e8 ff ff e8 a1 57 58 08 e8 3c 9c 27 ff 4c 89 ff 48 c7 c6 e0 da 1f 8b e8 0d 48 68 ff 0f 0b e8 26 9c 27 ff 0f 0b e8 1f 9c 27 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 53 89 f5 48 89 fb [ 55.771902][ T5014] RSP: 0018:ffffc90003b0f2e0 EFLAGS: 00010293 [ 55.777966][ T5014] RAX: ffffffff826479f1 RBX: 0000000000010000 RCX: ffff88807d50d940 [ 55.785947][ T5014] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000 [ 55.793990][ T5014] RBP: ffffc90003b0f768 R08: ffffffff82646113 R09: 1ffff1100f183557 [ 55.801940][ T5014] R10: dffffc0000000000 R11: ffffed100f183558 R12: ffff888078c1a370 [ 55.809982][ T5014] R13: dffffc0000000000 R14: ffff888078c1aa30 R15: 0000000000000000 [ 55.817946][ T5014] FS: 0000555556f94380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 55.826858][ T5014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.833430][ T5014] CR2: 00007f46d01f1b10 CR3: 000000002165c000 CR4: 00000000003506f0 [ 55.841391][ T5014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.849349][ T5014] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.857309][ T5014] Call Trace: [ 55.860577][ T5014] [ 55.863504][ T5014] ? __die_body+0x5e/0xa0 [ 55.867910][ T5014] ? die+0x87/0xb0 [ 55.871703][ T5014] ? do_trap+0x11e/0x350 [ 55.875933][ T5014] ? __hfsplus_setxattr+0x22c1/0x22d0 [ 55.881310][ T5014] ? __hfsplus_setxattr+0x22c1/0x22d0 [ 55.886696][ T5014] ? do_error_trap+0x141/0x1f0 [ 55.891538][ T5014] ? __hfsplus_setxattr+0x22c1/0x22d0 [ 55.897075][ T5014] ? do_int3+0x30/0x30 [ 55.901148][ T5014] ? report_bug+0x3e4/0x500 [ 55.905660][ T5014] ? handle_invalid_op+0x2c/0x40 [ 55.910672][ T5014] ? __hfsplus_setxattr+0x22c1/0x22d0 [ 55.916029][ T5014] ? exc_invalid_op+0x33/0x50 [ 55.920776][ T5014] ? asm_exc_invalid_op+0x1a/0x20 [ 55.925900][ T5014] ? __hfsplus_setxattr+0x9e3/0x22d0 [ 55.931171][ T5014] ? __hfsplus_setxattr+0x22c1/0x22d0 [ 55.936529][ T5014] ? __hfsplus_setxattr+0x22c1/0x22d0 [ 55.941907][ T5014] ? hfsplus_delete_all_attrs+0x3c0/0x3c0 [ 55.947617][ T5014] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 55.953503][ T5014] ? lockdep_hardirqs_on+0x98/0x140 [ 55.958692][ T5014] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 55.964576][ T5014] ? kasan_set_track+0x61/0x70 [ 55.969433][ T5014] hfsplus_initxattrs+0x158/0x220 [ 55.974445][ T5014] security_inode_init_security+0x2df/0x3f0 [ 55.980324][ T5014] ? hfsplus_init_security+0x40/0x40 [ 55.985630][ T5014] ? security_dentry_create_files_as+0xc0/0xc0 [ 55.991861][ T5014] ? _raw_spin_unlock+0x28/0x40 [ 55.996701][ T5014] hfsplus_mknod+0x1c2/0x2a0 [ 56.001279][ T5014] ? hfsplus_lookup+0xc70/0xc70 [ 56.006120][ T5014] path_openat+0x13e7/0x3180 [ 56.010706][ T5014] ? do_filp_open+0x490/0x490 [ 56.015383][ T5014] do_filp_open+0x234/0x490 [ 56.019873][ T5014] ? vfs_tmpfile+0x4b0/0x4b0 [ 56.024540][ T5014] ? _raw_spin_unlock+0x28/0x40 [ 56.029377][ T5014] ? alloc_fd+0x59c/0x640 [ 56.033784][ T5014] do_sys_openat2+0x13e/0x1d0 [ 56.038453][ T5014] ? do_sys_open+0x230/0x230 [ 56.043027][ T5014] ? _raw_spin_unlock_irq+0x2e/0x50 [ 56.048211][ T5014] ? ptrace_notify+0x278/0x380 [ 56.052961][ T5014] __x64_sys_creat+0x123/0x160 [ 56.057714][ T5014] ? __x64_compat_sys_openat+0x290/0x290 [ 56.063420][ T5014] ? syscall_enter_from_user_mode+0x32/0x230 [ 56.069402][ T5014] ? syscall_enter_from_user_mode+0x8c/0x230 [ 56.075375][ T5014] do_syscall_64+0x41/0xc0 [ 56.079776][ T5014] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.085689][ T5014] RIP: 0033:0x7fda7baad5f9 [ 56.090177][ T5014] 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 [ 56.109764][ T5014] RSP: 002b:00007ffeb9f51078 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 56.118163][ T5014] RAX: ffffffffffffffda RBX: 00007ffeb9f51258 RCX: 00007fda7baad5f9 [ 56.126296][ T5014] RDX: 00007fda7baac8f0 RSI: 0000000000000000 RDI: 0000000020000000 [ 56.134254][ T5014] RBP: 00007fda7bb20610 R08: 0000000000000637 R09: 0000000000000000 [ 56.142294][ T5014] R10: 00007ffeb9f50f40 R11: 0000000000000246 R12: 0000000000000001 [ 56.150250][ T5014] R13: 00007ffeb9f51248 R14: 0000000000000001 R15: 0000000000000001 [ 56.158221][ T5014] [ 56.161224][ T5014] Modules linked in: [ 56.166000][ T5014] ---[ end trace 0000000000000000 ]--- [ 56.171474][ T5014] RIP: 0010:__hfsplus_setxattr+0x22c1/0x22d0 [ 56.178074][ T5014] Code: e8 ff ff e8 a1 57 58 08 e8 3c 9c 27 ff 4c 89 ff 48 c7 c6 e0 da 1f 8b e8 0d 48 68 ff 0f 0b e8 26 9c 27 ff 0f 0b e8 1f 9c 27 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 53 89 f5 48 89 fb [ 56.197730][ T5014] RSP: 0018:ffffc90003b0f2e0 EFLAGS: 00010293 [ 56.203818][ T5014] RAX: ffffffff826479f1 RBX: 0000000000010000 RCX: ffff88807d50d940 [ 56.211817][ T5014] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000 [ 56.219817][ T5014] RBP: ffffc90003b0f768 R08: ffffffff82646113 R09: 1ffff1100f183557 [ 56.227809][ T5014] R10: dffffc0000000000 R11: ffffed100f183558 R12: ffff888078c1a370 [ 56.235814][ T5014] R13: dffffc0000000000 R14: ffff888078c1aa30 R15: 0000000000000000 [ 56.243946][ T5014] FS: 0000555556f94380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 56.252942][ T5014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.259574][ T5014] CR2: 000055c20ed5dff8 CR3: 000000002165c000 CR4: 00000000003506e0 [ 56.267570][ T5014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.275543][ T5014] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.283605][ T5014] Kernel panic - not syncing: Fatal exception [ 56.290066][ T5014] Kernel Offset: disabled [ 56.294497][ T5014] Rebooting in 86400 seconds..