./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1794759872 <...> Warning: Permanently added '10.128.0.109' (ED25519) to the list of known hosts. execve("./syz-executor1794759872", ["./syz-executor1794759872"], 0x7fffa24d9280 /* 10 vars */) = 0 brk(NULL) = 0x555556e4e000 brk(0x555556e4ed00) = 0x555556e4ed00 arch_prctl(ARCH_SET_FS, 0x555556e4e380) = 0 set_tid_address(0x555556e4e650) = 5017 set_robust_list(0x555556e4e660, 24) = 0 rseq(0x555556e4eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1794759872", 4096) = 28 getrandom("\x67\x18\xfd\x5a\x5c\x7d\xea\xf1", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556e4ed00 brk(0x555556e6fd00) = 0x555556e6fd00 brk(0x555556e70000) = 0x555556e70000 mprotect(0x7f95894b5000, 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) = 0x7f9581004000 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(0x7f9581004000, 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", MS_SYNCHRONOUS|MS_SILENT|MS_RELATIME, "gid=0x0000000000000000,nls=cp437,nobarrier,gid=0x000000000000ee01,nobarrier,force,type=\\I^1,") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [ 38.916120][ T5017] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5017 'syz-executor179' [ 38.932592][ T5017] loop0: detected capacity change from 0 to 1024 [ 38.946632][ T5017] hfsplus: request for non-existent node 3 in B*Tree [ 38.953431][ T5017] hfsplus: request for non-existent node 3 in B*Tree [ 38.965671][ T27] audit: type=1800 audit(1689368572.762:2): pid=5017 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor179" name="bus" dev="loop0" ino=26 res=0 errno=0 [ 38.966855][ T5017] ------------[ cut here ]------------ [ 38.991845][ T5017] kernel BUG at fs/hfsplus/xattr.c:175! [ 38.998072][ T5017] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 39.004133][ T5017] CPU: 0 PID: 5017 Comm: syz-executor179 Not tainted 6.5.0-rc1-syzkaller-00152-g4b810bf037e5 #0 [ 39.014519][ T5017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 39.024552][ T5017] RIP: 0010:__hfsplus_setxattr+0x2101/0x2200 [ 39.030525][ T5017] Code: 84 ff 4c 8b 54 24 50 4c 8b 44 24 38 e9 29 ea ff ff e8 53 68 84 ff 4c 8b 54 24 50 4c 8b 44 24 38 e9 f3 e9 ff ff e8 7f 7a 30 ff <0f> 0b 48 8b 7c 24 48 e8 33 68 84 ff 4c 8b 54 24 50 4c 8b 44 24 38 [ 39.050137][ T5017] RSP: 0018:ffffc90003c1f4d8 EFLAGS: 00010293 [ 39.056195][ T5017] RAX: 0000000000000000 RBX: 0000060000000000 RCX: 0000000000000000 [ 39.064146][ T5017] RDX: ffff88801377bb80 RSI: ffffffff8255f421 RDI: 0000000000000007 [ 39.072098][ T5017] RBP: ffffed10042aa607 R08: ffff88807d472000 R09: 0000000000000000 [ 39.080049][ T5017] R10: ffff888021553030 R11: 0000000000000005 R12: 0000000000000003 [ 39.088001][ T5017] R13: ffff888021553000 R14: 1ffff92000783ead R15: ffffc90003c1f598 [ 39.095948][ T5017] FS: 0000555556e4e380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 39.104857][ T5017] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.111420][ T5017] CR2: 0000000020007f84 CR3: 0000000027f68000 CR4: 0000000000350ef0 [ 39.119374][ T5017] Call Trace: [ 39.122633][ T5017] [ 39.125543][ T5017] ? die+0x31/0x80 [ 39.129252][ T5017] ? do_trap+0x1ab/0x3b0 [ 39.133478][ T5017] ? __hfsplus_setxattr+0x2101/0x2200 [ 39.138832][ T5017] ? do_error_trap+0x9e/0x160 [ 39.143490][ T5017] ? __hfsplus_setxattr+0x2101/0x2200 [ 39.148936][ T5017] ? handle_invalid_op+0x2c/0x30 [ 39.153855][ T5017] ? __hfsplus_setxattr+0x2101/0x2200 [ 39.159245][ T5017] ? exc_invalid_op+0x2d/0x40 [ 39.163946][ T5017] ? asm_exc_invalid_op+0x1a/0x20 [ 39.168976][ T5017] ? __hfsplus_setxattr+0x2101/0x2200 [ 39.174354][ T5017] ? __hfsplus_setxattr+0x2101/0x2200 [ 39.179709][ T5017] ? __hfsplus_setxattr+0x2101/0x2200 [ 39.185351][ T5017] ? lock_acquire+0x1ae/0x510 [ 39.190019][ T5017] ? find_held_lock+0x2d/0x110 [ 39.194788][ T5017] ? copy_name+0xa0/0xa0 [ 39.199018][ T5017] ? mark_held_locks+0x9f/0xe0 [ 39.203763][ T5017] ? _raw_spin_unlock_irqrestore+0x4e/0x70 [ 39.209552][ T5017] ? lockdep_hardirqs_on+0x7d/0x100 [ 39.214742][ T5017] hfsplus_setxattr+0x10c/0x160 [ 39.219577][ T5017] ? hfsplus_listxattr+0xe10/0xe10 [ 39.224666][ T5017] __vfs_setxattr+0x173/0x1d0 [ 39.229326][ T5017] ? __vfs_removexattr+0x1c0/0x1c0 [ 39.234420][ T5017] __vfs_setxattr_noperm+0x127/0x5e0 [ 39.239688][ T5017] __vfs_setxattr_locked+0x17e/0x250 [ 39.244959][ T5017] vfs_setxattr+0x146/0x350 [ 39.249444][ T5017] ? __vfs_setxattr_locked+0x250/0x250 [ 39.254884][ T5017] do_setxattr+0x142/0x170 [ 39.259888][ T5017] setxattr+0x159/0x170 [ 39.264048][ T5017] ? do_setxattr+0x170/0x170 [ 39.268617][ T5017] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 39.274584][ T5017] ? __mnt_want_write+0x217/0x300 [ 39.279587][ T5017] path_setxattr+0x1a3/0x1d0 [ 39.284159][ T5017] ? setxattr+0x170/0x170 [ 39.288467][ T5017] ? _raw_spin_unlock_irq+0x23/0x50 [ 39.293650][ T5017] ? lockdep_hardirqs_on+0x7d/0x100 [ 39.298828][ T5017] __x64_sys_setxattr+0xc4/0x160 [ 39.303750][ T5017] do_syscall_64+0x38/0xb0 [ 39.308175][ T5017] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 39.314049][ T5017] RIP: 0033:0x7f95894419f9 [ 39.318442][ T5017] 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 [ 39.338034][ T5017] RSP: 002b:00007ffc52fae828 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc [ 39.346425][ T5017] RAX: ffffffffffffffda RBX: 6569727261626f6e RCX: 00007f95894419f9 [ 39.354379][ T5017] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000000 [ 39.362336][ T5017] RBP: 00007f958948a04b R08: 0000000000000001 R09: 0000000000000000 [ 39.370288][ T5017] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 39.378241][ T5017] R13: 00007ffc52faea08 R14: 0000000000000001 R15: 0000000000000001 [ 39.386196][ T5017] [ 39.389195][ T5017] Modules linked in: [ 39.393522][ T5017] ---[ end trace 0000000000000000 ]--- [ 39.399065][ T5017] RIP: 0010:__hfsplus_setxattr+0x2101/0x2200 [ 39.405088][ T5017] Code: 84 ff 4c 8b 54 24 50 4c 8b 44 24 38 e9 29 ea ff ff e8 53 68 84 ff 4c 8b 54 24 50 4c 8b 44 24 38 e9 f3 e9 ff ff e8 7f 7a 30 ff <0f> 0b 48 8b 7c 24 48 e8 33 68 84 ff 4c 8b 54 24 50 4c 8b 44 24 38 [ 39.424811][ T5017] RSP: 0018:ffffc90003c1f4d8 EFLAGS: 00010293 [ 39.430941][ T5017] RAX: 0000000000000000 RBX: 0000060000000000 RCX: 0000000000000000 [ 39.438957][ T5017] RDX: ffff88801377bb80 RSI: ffffffff8255f421 RDI: 0000000000000007 [ 39.446924][ T5017] RBP: ffffed10042aa607 R08: ffff88807d472000 R09: 0000000000000000 [ 39.454918][ T5017] R10: ffff888021553030 R11: 0000000000000005 R12: 0000000000000003 [ 39.462946][ T5017] R13: ffff888021553000 R14: 1ffff92000783ead R15: ffffc90003c1f598 [ 39.471548][ T5017] FS: 0000555556e4e380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 39.480497][ T5017] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.487058][ T5017] CR2: 0000000020007f84 CR3: 0000000027f68000 CR4: 0000000000350ef0 [ 39.495049][ T5017] Kernel panic - not syncing: Fatal exception [ 39.501729][ T5017] Kernel Offset: disabled [ 39.506036][ T5017] Rebooting in 86400 seconds..