./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3962146627 <...> Warning: Permanently added '10.128.1.55' (ED25519) to the list of known hosts. execve("./syz-executor3962146627", ["./syz-executor3962146627"], 0x7ffd72b75e60 /* 10 vars */) = 0 brk(NULL) = 0x55557b8f5000 brk(0x55557b8f5d00) = 0x55557b8f5d00 arch_prctl(ARCH_SET_FS, 0x55557b8f5380) = 0 set_tid_address(0x55557b8f5650) = 5095 set_robust_list(0x55557b8f5660, 24) = 0 rseq(0x55557b8f5ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3962146627", 4096) = 28 getrandom("\x80\xff\xb1\xb3\x69\xf2\x9c\xaf", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557b8f5d00 brk(0x55557b916d00) = 0x55557b916d00 brk(0x55557b917000) = 0x55557b917000 mprotect(0x7f7265ab0000, 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 5096 attached [pid 5096] set_robust_list(0x55557b8f5660, 24) = 0 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5096] setpgid(0, 0 [pid 5095] <... clone resumed>, child_tidptr=0x55557b8f5650) = 5096 [pid 5096] <... setpgid resumed>) = 0 [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5096] write(3, "1000", 4) = 4 [pid 5096] close(3) = 0 [pid 5096] write(1, "executing program\n", 18executing program ) = 18 [pid 5096] memfd_create("syzkaller", 0) = 3 [pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f725d400000 [pid 5096] 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 5096] munmap(0x7f725d400000, 138412032) = 0 [pid 5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5096] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5096] close(3) = 0 [pid 5096] close(4) = 0 [pid 5096] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5096] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "") = 0 [pid 5096] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5096] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 76.166918][ T5096] loop0: detected capacity change from 0 to 1024 [ 76.220620][ T5096] hfsplus: new node 0 already hashed? [ 76.226427][ T5096] ------------[ cut here ]------------ [ 76.232442][ T5096] WARNING: CPU: 0 PID: 5096 at fs/hfsplus/bnode.c:573 hfsplus_bnode_create+0x3b6/0x440 [ 76.232487][ T5096] Modules linked in: [ 76.232507][ T5096] CPU: 0 UID: 0 PID: 5096 Comm: syz-executor396 Not tainted 6.10.0-rc6-next-20240703-syzkaller #0 [ 76.232525][ T5096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 76.232540][ T5096] RIP: 0010:hfsplus_bnode_create+0x3b6/0x440 [ 76.232564][ T5096] Code: 44 89 e6 e8 6c 01 0e 09 e9 78 fd ff ff e8 92 66 13 ff 4c 89 ff e8 4a e8 1b 09 48 c7 c7 80 0f e2 8b 44 89 e6 e8 4b 01 0e 09 90 <0f> 0b 90 eb af 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 83 fc ff ff 48 [ 76.232579][ T5096] RSP: 0018:ffffc900033ff358 EFLAGS: 00010246 [ 76.232593][ T5096] RAX: 0000000000000023 RBX: ffff88801b2b1d00 RCX: b9d997ab6e65c400 [ 76.232605][ T5096] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 76.232615][ T5096] RBP: 0000000000000000 R08: ffffffff8173a299 R09: 1ffff9200067fe08 [ 76.232626][ T5096] R10: dffffc0000000000 R11: fffff5200067fe09 R12: 0000000000000000 [ 76.232637][ T5096] R13: dffffc0000000000 R14: ffff88804a270000 R15: ffff88804a2700e0 [ 76.232649][ T5096] FS: 000055557b8f5380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 76.232663][ T5096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.232680][ T5096] CR2: 00007f901b9df2a9 CR3: 000000007aa3a000 CR4: 00000000003506f0 [ 76.232693][ T5096] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.232703][ T5096] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.232713][ T5096] Call Trace: [ 76.232720][ T5096] [ 76.232726][ T5096] ? __warn+0x168/0x4e0 [ 76.232742][ T5096] ? hfsplus_bnode_create+0x3b6/0x440 [ 76.232767][ T5096] ? report_bug+0x2b3/0x500 [ 76.232792][ T5096] ? hfsplus_bnode_create+0x3b6/0x440 [ 76.232819][ T5096] ? handle_bug+0x3e/0x70 [ 76.232834][ T5096] ? exc_invalid_op+0x1a/0x50 [ 76.232850][ T5096] ? asm_exc_invalid_op+0x1a/0x20 [ 76.232874][ T5096] ? __wake_up_klogd+0x109/0x140 [ 76.232895][ T5096] ? hfsplus_bnode_create+0x3b6/0x440 [ 76.232918][ T5096] ? hfsplus_bnode_create+0x3b5/0x440 [ 76.232944][ T5096] hfsplus_bmap_alloc+0x59a/0x640 [ 76.232970][ T5096] ? __pfx_hfsplus_bmap_alloc+0x10/0x10 [ 76.232990][ T5096] ? __hfsplus_ext_cache_extent+0xc78/0xe10 [ 76.233008][ T5096] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 76.233037][ T5096] hfs_bnode_split+0xde/0x1110 [ 76.233060][ T5096] ? hfsplus_bnode_dump+0xa36/0xbb0 [ 76.233082][ T5096] ? hfsplus_bnode_read+0xe9/0x1e0 [ 76.233108][ T5096] ? __asan_memcpy+0x40/0x70 [ 76.233125][ T5096] ? hfsplus_bnode_read_u16+0x1c1/0x2c0 [ 76.233148][ T5096] ? __pfx_hfs_bnode_split+0x10/0x10 [ 76.233174][ T5096] ? __pfx_hfs_find_rec_by_key+0x10/0x10 [ 76.233200][ T5096] hfsplus_brec_insert+0x3a6/0xde0 [ 76.233222][ T5096] ? do_raw_spin_unlock+0x13c/0x8b0 [ 76.233257][ T5096] ? __pfx_hfsplus_brec_insert+0x10/0x10 [ 76.233288][ T5096] hfsplus_create_cat+0xef5/0x1b70 [ 76.233320][ T5096] ? __pfx_hfsplus_create_cat+0x10/0x10 [ 76.233342][ T5096] ? number+0xb5e/0xf90 [ 76.233407][ T5096] ? __pfx_sprintf+0x10/0x10 [ 76.233436][ T5096] hfsplus_link+0x4b8/0x800 [ 76.233465][ T5096] ? __pfx_hfsplus_link+0x10/0x10 [ 76.233485][ T5096] ? __down_write_common+0x162/0x200 [ 76.233504][ T5096] ? __pfx___down_write_common+0x10/0x10 [ 76.233525][ T5096] ? inode_permission+0xff/0x460 [ 76.233551][ T5096] vfs_link+0x4f5/0x690 [ 76.233574][ T5096] do_linkat+0x555/0x6f0 [ 76.233599][ T5096] ? __pfx_do_linkat+0x10/0x10 [ 76.233615][ T5096] ? __might_fault+0xc6/0x120 [ 76.233640][ T5096] ? strncpy_from_user+0x1a4/0x2f0 [ 76.233687][ T5096] ? getname_flags+0x1e3/0x540 [ 76.233711][ T5096] __x64_sys_link+0x82/0x90 [ 76.233728][ T5096] do_syscall_64+0xf3/0x230 [ 76.233743][ T5096] ? clear_bhb_loop+0x35/0x90 [ 76.233764][ T5096] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.233781][ T5096] RIP: 0033:0x7f7265a3ca99 [ 76.233798][ T5096] 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 [ 76.233809][ T5096] RSP: 002b:00007ffed92cc648 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 [ 76.233824][ T5096] RAX: ffffffffffffffda RBX: 00007f7265a850c0 RCX: 00007f7265a3ca99 [ 76.233835][ T5096] RDX: 0000000000000000 RSI: 0000000020000440 RDI: 00000000200002c0 [ 76.233845][ T5096] RBP: 00007f7265ab05f0 R08: 000000000000063a R09: 000055557b8f64c0 [ 76.233856][ T5096] R10: 00007ffed92cc510 R11: 0000000000000246 R12: 00007ffed92cc670 [ 76.233866][ T5096] R13: 00007ffed92cc898 R14: 431bde82d7b634db R15: 00007f7265a8503b [ 76.233890][ T5096] [ 76.233897][ T5096] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 76.682464][ T5096] CPU: 0 UID: 0 PID: 5096 Comm: syz-executor396 Not tainted 6.10.0-rc6-next-20240703-syzkaller #0 [ 76.693077][ T5096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 76.703143][ T5096] Call Trace: [ 76.706450][ T5096] [ 76.709380][ T5096] dump_stack_lvl+0x241/0x360 [ 76.714096][ T5096] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.719304][ T5096] ? __pfx__printk+0x10/0x10 [ 76.723903][ T5096] ? _printk+0xd5/0x120 [ 76.728080][ T5096] ? vscnprintf+0x5d/0x90 [ 76.732412][ T5096] panic+0x349/0x870 [ 76.736320][ T5096] ? __warn+0x177/0x4e0 [ 76.740518][ T5096] ? __pfx_panic+0x10/0x10 [ 76.744960][ T5096] ? show_trace_log_lvl+0x4e6/0x520 [ 76.750185][ T5096] __warn+0x34b/0x4e0 [ 76.754177][ T5096] ? hfsplus_bnode_create+0x3b6/0x440 [ 76.759587][ T5096] report_bug+0x2b3/0x500 [ 76.763930][ T5096] ? hfsplus_bnode_create+0x3b6/0x440 [ 76.769314][ T5096] handle_bug+0x3e/0x70 [ 76.773471][ T5096] exc_invalid_op+0x1a/0x50 [ 76.777979][ T5096] asm_exc_invalid_op+0x1a/0x20 [ 76.782831][ T5096] RIP: 0010:hfsplus_bnode_create+0x3b6/0x440 [ 76.788821][ T5096] Code: 44 89 e6 e8 6c 01 0e 09 e9 78 fd ff ff e8 92 66 13 ff 4c 89 ff e8 4a e8 1b 09 48 c7 c7 80 0f e2 8b 44 89 e6 e8 4b 01 0e 09 90 <0f> 0b 90 eb af 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 83 fc ff ff 48 [ 76.808437][ T5096] RSP: 0018:ffffc900033ff358 EFLAGS: 00010246 [ 76.814530][ T5096] RAX: 0000000000000023 RBX: ffff88801b2b1d00 RCX: b9d997ab6e65c400 [ 76.822529][ T5096] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 76.830504][ T5096] RBP: 0000000000000000 R08: ffffffff8173a299 R09: 1ffff9200067fe08 [ 76.838481][ T5096] R10: dffffc0000000000 R11: fffff5200067fe09 R12: 0000000000000000 [ 76.846485][ T5096] R13: dffffc0000000000 R14: ffff88804a270000 R15: ffff88804a2700e0 [ 76.854467][ T5096] ? __wake_up_klogd+0x109/0x140 [ 76.859444][ T5096] ? hfsplus_bnode_create+0x3b5/0x440 [ 76.864830][ T5096] hfsplus_bmap_alloc+0x59a/0x640 [ 76.869868][ T5096] ? __pfx_hfsplus_bmap_alloc+0x10/0x10 [ 76.875419][ T5096] ? __hfsplus_ext_cache_extent+0xc78/0xe10 [ 76.881314][ T5096] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 76.886890][ T5096] hfs_bnode_split+0xde/0x1110 [ 76.891667][ T5096] ? hfsplus_bnode_dump+0xa36/0xbb0 [ 76.896874][ T5096] ? hfsplus_bnode_read+0xe9/0x1e0 [ 76.901998][ T5096] ? __asan_memcpy+0x40/0x70 [ 76.906589][ T5096] ? hfsplus_bnode_read_u16+0x1c1/0x2c0 [ 76.912172][ T5096] ? __pfx_hfs_bnode_split+0x10/0x10 [ 76.917478][ T5096] ? __pfx_hfs_find_rec_by_key+0x10/0x10 [ 76.923129][ T5096] hfsplus_brec_insert+0x3a6/0xde0 [ 76.928263][ T5096] ? do_raw_spin_unlock+0x13c/0x8b0 [ 76.933511][ T5096] ? __pfx_hfsplus_brec_insert+0x10/0x10 [ 76.939169][ T5096] hfsplus_create_cat+0xef5/0x1b70 [ 76.944306][ T5096] ? __pfx_hfsplus_create_cat+0x10/0x10 [ 76.949859][ T5096] ? number+0xb5e/0xf90 [ 76.954065][ T5096] ? __pfx_sprintf+0x10/0x10 [ 76.958671][ T5096] hfsplus_link+0x4b8/0x800 [ 76.963224][ T5096] ? __pfx_hfsplus_link+0x10/0x10 [ 76.968256][ T5096] ? __down_write_common+0x162/0x200 [ 76.973571][ T5096] ? __pfx___down_write_common+0x10/0x10 [ 76.979215][ T5096] ? inode_permission+0xff/0x460 [ 76.984164][ T5096] vfs_link+0x4f5/0x690 [ 76.988364][ T5096] do_linkat+0x555/0x6f0 [ 76.992628][ T5096] ? __pfx_do_linkat+0x10/0x10 [ 76.997394][ T5096] ? __might_fault+0xc6/0x120 [ 77.002091][ T5096] ? strncpy_from_user+0x1a4/0x2f0 [ 77.007253][ T5096] ? getname_flags+0x1e3/0x540 [ 77.012030][ T5096] __x64_sys_link+0x82/0x90 [ 77.016556][ T5096] do_syscall_64+0xf3/0x230 [ 77.021088][ T5096] ? clear_bhb_loop+0x35/0x90 [ 77.025867][ T5096] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.031765][ T5096] RIP: 0033:0x7f7265a3ca99 [ 77.036196][ T5096] 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 [ 77.055813][ T5096] RSP: 002b:00007ffed92cc648 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 [ 77.064242][ T5096] RAX: ffffffffffffffda RBX: 00007f7265a850c0 RCX: 00007f7265a3ca99 [ 77.072216][ T5096] RDX: 0000000000000000 RSI: 0000000020000440 RDI: 00000000200002c0 [ 77.080193][ T5096] RBP: 00007f7265ab05f0 R08: 000000000000063a R09: 000055557b8f64c0 [ 77.088171][ T5096] R10: 00007ffed92cc510 R11: 0000000000000246 R12: 00007ffed92cc670 [ 77.096258][ T5096] R13: 00007ffed92cc898 R14: 431bde82d7b634db R15: 00007f7265a8503b [ 77.104248][ T5096] [ 77.107425][ T5096] Kernel Offset: disabled [ 77.111799][ T5096] Rebooting in 86400 seconds..