./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor104253624 <...> Warning: Permanently added '10.128.15.214' (ED25519) to the list of known hosts. execve("./syz-executor104253624", ["./syz-executor104253624"], 0x7ffecdbdb430 /* 10 vars */) = 0 brk(NULL) = 0x55558fcca000 brk(0x55558fccad00) = 0x55558fccad00 arch_prctl(ARCH_SET_FS, 0x55558fcca380) = 0 set_tid_address(0x55558fcca650) = 5087 set_robust_list(0x55558fcca660, 24) = 0 rseq(0x55558fccaca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor104253624", 4096) = 27 getrandom("\xfd\x4d\xc2\xba\x73\xb4\x91\x36", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558fccad00 brk(0x55558fcebd00) = 0x55558fcebd00 brk(0x55558fcec000) = 0x55558fcec000 mprotect(0x7f9fcdb45000, 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) = 0x7f9fc5600000 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(0x7f9fc5600000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./bus", 0777) = 0 mount("/dev/loop0", "./bus", "hfsplus", MS_NOEXEC|MS_RELATIME, "") = 0 openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 chdir("./bus") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 56.306542][ T5087] loop0: detected capacity change from 0 to 1024 [ 56.365348][ T5087] ------------[ cut here ]------------ [ 56.370980][ T5087] kernel BUG at fs/hfsplus/xattr.c:175! [ 56.376829][ T5087] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 56.383947][ T5087] CPU: 1 PID: 5087 Comm: syz-executor104 Not tainted 6.9.0-rc7-next-20240510-syzkaller #0 [ 56.393831][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 56.403875][ T5087] RIP: 0010:__hfsplus_setxattr+0x22c4/0x22d0 [ 56.409874][ T5087] Code: e8 61 e6 07 09 e8 dc 84 13 ff 4c 89 ff 48 c7 c6 a0 94 e1 8b e8 cd 3d 5d ff 90 0f 0b e8 c5 84 13 ff 90 0f 0b e8 bd 84 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 [ 56.429570][ T5087] RSP: 0018:ffffc9000373f4c0 EFLAGS: 00010293 [ 56.435718][ T5087] RAX: ffffffff828297c3 RBX: 0000000000010000 RCX: ffff8880287d5a00 [ 56.443773][ T5087] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000 [ 56.451820][ T5087] RBP: ffffc9000373f958 R08: ffffffff82827ee3 R09: 1ffff11004217557 [ 56.459877][ T5087] R10: dffffc0000000000 R11: ffffed1004217558 R12: ffff8880210ba370 [ 56.467844][ T5087] R13: dffffc0000000000 R14: ffff8880210baa30 R15: 0000000000000000 [ 56.475805][ T5087] FS: 000055558fcca380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 56.484906][ T5087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.491483][ T5087] CR2: 000000000066c7e0 CR3: 0000000072f16000 CR4: 00000000003506f0 [ 56.499543][ T5087] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.507502][ T5087] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.515638][ T5087] Call Trace: [ 56.518920][ T5087] [ 56.521844][ T5087] ? __die_body+0x88/0xe0 [ 56.526268][ T5087] ? die+0xcf/0x110 [ 56.530071][ T5087] ? do_trap+0x15a/0x3a0 [ 56.534304][ T5087] ? __hfsplus_setxattr+0x22c4/0x22d0 [ 56.540886][ T5087] ? do_error_trap+0x1dc/0x2c0 [ 56.545660][ T5087] ? __hfsplus_setxattr+0x22c4/0x22d0 [ 56.551021][ T5087] ? __pfx_do_error_trap+0x10/0x10 [ 56.556300][ T5087] ? report_bug+0x3e8/0x500 [ 56.560809][ T5087] ? handle_invalid_op+0x34/0x40 [ 56.565739][ T5087] ? __hfsplus_setxattr+0x22c4/0x22d0 [ 56.571103][ T5087] ? exc_invalid_op+0x38/0x50 [ 56.575768][ T5087] ? asm_exc_invalid_op+0x1a/0x20 [ 56.580790][ T5087] ? __hfsplus_setxattr+0x9e3/0x22d0 [ 56.586071][ T5087] ? __hfsplus_setxattr+0x22c3/0x22d0 [ 56.591433][ T5087] ? __hfsplus_setxattr+0x22c4/0x22d0 [ 56.596795][ T5087] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 56.603205][ T5087] ? __pfx___hfsplus_setxattr+0x10/0x10 [ 56.609185][ T5087] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 56.615107][ T5087] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 56.621431][ T5087] ? stack_trace_save+0x118/0x1d0 [ 56.626451][ T5087] ? __lock_acquire+0x1346/0x1fd0 [ 56.631465][ T5087] ? stack_depot_save_flags+0x6e4/0x830 [ 56.637045][ T5087] ? __kasan_kmalloc+0x98/0xb0 [ 56.641802][ T5087] ? hfsplus_setxattr+0x68/0xe0 [ 56.646731][ T5087] ? kmalloc_trace_noprof+0x19c/0x2c0 [ 56.652268][ T5087] hfsplus_setxattr+0xb0/0xe0 [ 56.656936][ T5087] hfsplus_trusted_setxattr+0x40/0x60 [ 56.662312][ T5087] ? __pfx_hfsplus_trusted_setxattr+0x10/0x10 [ 56.668431][ T5087] __vfs_setxattr+0x468/0x4a0 [ 56.673125][ T5087] __vfs_setxattr_noperm+0x12e/0x660 [ 56.678417][ T5087] vfs_setxattr+0x221/0x430 [ 56.682929][ T5087] ? __pfx_vfs_setxattr+0x10/0x10 [ 56.687950][ T5087] ? __might_fault+0xc6/0x120 [ 56.692628][ T5087] ? strncpy_from_user+0x1a4/0x2f0 [ 56.697739][ T5087] setxattr+0x25d/0x2f0 [ 56.701891][ T5087] ? __pfx_setxattr+0x10/0x10 [ 56.706573][ T5087] ? mnt_get_write_access+0x226/0x2b0 [ 56.711944][ T5087] path_setxattr+0x1c0/0x2a0 [ 56.716526][ T5087] ? __pfx_path_setxattr+0x10/0x10 [ 56.721631][ T5087] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 56.727949][ T5087] ? do_syscall_64+0x102/0x240 [ 56.732705][ T5087] __x64_sys_lsetxattr+0xb8/0xd0 [ 56.737634][ T5087] do_syscall_64+0xf5/0x240 [ 56.742128][ T5087] ? clear_bhb_loop+0x35/0x90 [ 56.746792][ T5087] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 56.752678][ T5087] RIP: 0033:0x7f9fcdad2639 [ 56.757090][ T5087] 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 [ 56.776681][ T5087] RSP: 002b:00007ffff4ab6228 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd [ 56.785098][ T5087] RAX: ffffffffffffffda RBX: 00007ffff4ab6408 RCX: 00007f9fcdad2639 [ 56.793091][ T5087] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 00000000200000c0 [ 56.801051][ T5087] RBP: 00007f9fcdb45610 R08: 0000000000000003 R09: 0000000000000000 [ 56.809012][ T5087] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 56.817016][ T5087] R13: 00007ffff4ab63f8 R14: 0000000000000001 R15: 0000000000000001 [ 56.824981][ T5087] [ 56.827988][ T5087] Modules linked in: [ 56.832832][ T5087] ---[ end trace 0000000000000000 ]--- [ 56.838433][ T5087] RIP: 0010:__hfsplus_setxattr+0x22c4/0x22d0 [ 56.844450][ T5087] Code: e8 61 e6 07 09 e8 dc 84 13 ff 4c 89 ff 48 c7 c6 a0 94 e1 8b e8 cd 3d 5d ff 90 0f 0b e8 c5 84 13 ff 90 0f 0b e8 bd 84 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 [ 56.864351][ T5087] RSP: 0018:ffffc9000373f4c0 EFLAGS: 00010293 [ 56.870459][ T5087] RAX: ffffffff828297c3 RBX: 0000000000010000 RCX: ffff8880287d5a00 [ 56.878575][ T5087] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000 [ 56.886619][ T5087] RBP: ffffc9000373f958 R08: ffffffff82827ee3 R09: 1ffff11004217557 [ 56.894654][ T5087] R10: dffffc0000000000 R11: ffffed1004217558 R12: ffff8880210ba370 [ 56.902639][ T5087] R13: dffffc0000000000 R14: ffff8880210baa30 R15: 0000000000000000 [ 56.910694][ T5087] FS: 000055558fcca380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 56.919671][ T5087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.926446][ T5087] CR2: 000000000066c7e0 CR3: 0000000072f16000 CR4: 00000000003506f0 [ 56.934474][ T5087] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.942457][ T5087] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.950520][ T5087] Kernel panic - not syncing: Fatal exception [ 56.956666][ T5087] Kernel Offset: disabled [ 56.960981][ T5087] Rebooting in 86400 seconds..