./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4039271800 <...> Warning: Permanently added '10.128.0.79' (ED25519) to the list of known hosts. execve("./syz-executor4039271800", ["./syz-executor4039271800"], 0x7ffcdd24b060 /* 10 vars */) = 0 brk(NULL) = 0x555555e3a000 brk(0x555555e3ad00) = 0x555555e3ad00 arch_prctl(ARCH_SET_FS, 0x555555e3a380) = 0 set_tid_address(0x555555e3a650) = 5032 set_robust_list(0x555555e3a660, 24) = 0 rseq(0x555555e3aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4039271800", 4096) = 28 getrandom("\x8f\xad\x75\x04\x29\x03\x50\xb6", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555e3ad00 brk(0x555555e5bd00) = 0x555555e5bd00 brk(0x555555e5c000) = 0x555555e5c000 mprotect(0x7f90f0a2d000, 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) = 0x7f90e857d000 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(0x7f90e857d000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "") = 0 openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 [ 87.222904][ T5032] syz-executor403[5032]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 87.254149][ T5032] loop0: detected capacity change from 0 to 1024 [ 87.308130][ T5032] hfsplus: new node 0 already hashed? [ 87.319339][ T5032] ------------[ cut here ]------------ [ 87.327152][ T5032] WARNING: CPU: 1 PID: 5032 at fs/hfsplus/bnode.c:573 hfsplus_bnode_create+0x3b1/0x440 [ 87.341582][ T5032] Modules linked in: [ 87.346677][ T5032] CPU: 1 PID: 5032 Comm: syz-executor403 Not tainted 6.6.0-syzkaller #0 [ 87.361054][ T5032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 87.379645][ T5032] RIP: 0010:hfsplus_bnode_create+0x3b1/0x440 [ 87.389229][ T5032] Code: 8b 44 89 e6 e8 d0 a6 61 08 e9 7c fd ff ff e8 96 d9 25 ff 4c 89 ff e8 ee 6e 6e 08 48 c7 c7 80 52 20 8b 44 89 e6 e8 af a6 61 08 <0f> 0b eb b5 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 89 fc ff ff 48 89 [ 87.422348][ T5032] RSP: 0018:ffffc900039ef378 EFLAGS: 00010246 [ 87.430365][ T5032] RAX: 0000000000000023 RBX: ffff888015284a00 RCX: e81aa0b9d4907700 [ 87.443544][ T5032] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 87.455113][ T5032] RBP: 0000000000000000 R08: ffffffff81711cfc R09: 1ffff9200073de10 [ 87.468017][ T5032] R10: dffffc0000000000 R11: fffff5200073de11 R12: 0000000000000000 [ 87.483268][ T5032] R13: dffffc0000000000 R14: ffff888076e98000 R15: ffff888076e980e0 [ 87.495242][ T5032] FS: 0000555555e3a380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 87.507262][ T5032] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.521104][ T5032] CR2: 00000000005fdeb8 CR3: 00000000792bf000 CR4: 00000000003506e0 [ 87.531931][ T5032] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 87.548272][ T5032] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 87.560780][ T5032] Call Trace: [ 87.564731][ T5032] [ 87.568371][ T5032] ? __warn+0x162/0x4a0 [ 87.573781][ T5032] ? hfsplus_bnode_create+0x3b1/0x440 [ 87.582272][ T5032] ? report_bug+0x2b3/0x500 [ 87.588690][ T5032] ? hfsplus_bnode_create+0x3b1/0x440 [ 87.595701][ T5032] ? handle_bug+0x3d/0x70 [ 87.602009][ T5032] ? exc_invalid_op+0x1a/0x50 [ 87.608357][ T5032] ? asm_exc_invalid_op+0x1a/0x20 [ 87.615320][ T5032] ? __wake_up_klogd+0xcc/0x100 [ 87.622136][ T5032] ? hfsplus_bnode_create+0x3b1/0x440 [ 87.628438][ T5032] ? hfsplus_bnode_create+0x3b1/0x440 [ 87.636582][ T5032] hfsplus_bmap_alloc+0x59a/0x640 [ 87.644291][ T5032] ? hfsplus_bmap_reserve+0x4e0/0x4e0 [ 87.653341][ T5032] ? hfsplus_free_extents+0x408/0xae0 [ 87.661119][ T5032] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 87.669467][ T5032] hfs_bnode_split+0xde/0x1110 [ 87.680353][ T5032] ? hfsplus_bnode_dump+0xa36/0xba0 [ 87.688909][ T5032] ? hfsplus_bnode_read+0xe9/0x1e0 [ 87.698960][ T5032] ? __asan_memcpy+0x40/0x70 [ 87.704043][ T5032] ? hfsplus_bnode_read_u16+0x1c1/0x2c0 [ 87.711813][ T5032] ? hfs_btree_inc_height+0xdb0/0xdb0 [ 87.720208][ T5032] ? hfs_find_1st_rec_by_cnid+0x3c0/0x3c0 [ 87.726665][ T5032] hfsplus_brec_insert+0x3a6/0xdd0 [ 87.733902][ T5032] ? do_raw_spin_unlock+0x13b/0x8b0 [ 87.743007][ T5032] ? hfsplus_brec_keylen+0x310/0x310 [ 87.752574][ T5032] ? __kmalloc+0xe6/0x230 [ 87.761972][ T5032] hfsplus_create_cat+0xeec/0x1b90 [ 87.768840][ T5032] ? hfsplus_find_cat+0x5c0/0x5c0 [ 87.776525][ T5032] ? number+0xb5e/0xf90 [ 87.783706][ T5032] ? vsprintf+0x30/0x30 [ 87.789019][ T5032] hfsplus_link+0x4b8/0x800 [ 87.797669][ T5032] ? hfsplus_create+0x30/0x30 [ 87.806321][ T5032] ? __down_write_common+0x161/0x200 [ 87.816166][ T5032] ? clear_nonspinnable+0x60/0x60 [ 87.826286][ T5032] vfs_link+0x4ed/0x680 [ 87.832568][ T5032] do_linkat+0x356/0x750 [ 87.840224][ T5032] ? fsnotify_link+0x220/0x220 [ 87.845782][ T5032] ? getname_flags+0x1fd/0x4f0 [ 87.852266][ T5032] __x64_sys_link+0x86/0x90 [ 87.861419][ T5032] do_syscall_64+0x41/0xc0 [ 87.868530][ T5032] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 87.881076][ T5032] RIP: 0033:0x7f90f09ba6f9 [ 87.887914][ T5032] 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 [ 87.921017][ T5032] RSP: 002b:00007ffd58f7edd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 [ 87.934584][ T5032] RAX: ffffffffffffffda RBX: 00007ffd58f7efb8 RCX: 00007f90f09ba6f9 [ 87.947154][ T5032] RDX: 00007f90f09b99f0 RSI: 0000000020000440 RDI: 00000000200002c0 [ 87.963644][ T5032] RBP: 00007f90f0a2d610 R08: 000000000000063a R09: 0000000000000000 [ 87.975095][ T5032] R10: 00007ffd58f7eca0 R11: 0000000000000246 R12: 0000000000000001 [ 87.988039][ T5032] R13: 00007ffd58f7efa8 R14: 0000000000000001 R15: 0000000000000001 [ 88.004496][ T5032] [ 88.007718][ T5032] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 88.024087][ T5032] CPU: 1 PID: 5032 Comm: syz-executor403 Not tainted 6.6.0-syzkaller #0 [ 88.040876][ T5032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 88.057711][ T5032] Call Trace: [ 88.063414][ T5032] [ 88.067081][ T5032] dump_stack_lvl+0x1e7/0x2d0 [ 88.073598][ T5032] ? nf_tcp_handle_invalid+0x650/0x650 [ 88.084949][ T5032] ? panic+0x770/0x770 [ 88.089976][ T5032] ? vscnprintf+0x5d/0x80 [ 88.098329][ T5032] panic+0x30f/0x770 [ 88.105790][ T5032] ? __warn+0x171/0x4a0 [ 88.110901][ T5032] ? __memcpy_flushcache+0x2b0/0x2b0 [ 88.118975][ T5032] __warn+0x314/0x4a0 [ 88.124311][ T5032] ? hfsplus_bnode_create+0x3b1/0x440 [ 88.132546][ T5032] report_bug+0x2b3/0x500 [ 88.143870][ T5032] ? hfsplus_bnode_create+0x3b1/0x440 [ 88.158349][ T5032] handle_bug+0x3d/0x70 [ 88.164130][ T5032] exc_invalid_op+0x1a/0x50 [ 88.169412][ T5032] asm_exc_invalid_op+0x1a/0x20 [ 88.178888][ T5032] RIP: 0010:hfsplus_bnode_create+0x3b1/0x440 [ 88.189886][ T5032] Code: 8b 44 89 e6 e8 d0 a6 61 08 e9 7c fd ff ff e8 96 d9 25 ff 4c 89 ff e8 ee 6e 6e 08 48 c7 c7 80 52 20 8b 44 89 e6 e8 af a6 61 08 <0f> 0b eb b5 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 89 fc ff ff 48 89 [ 88.225051][ T5032] RSP: 0018:ffffc900039ef378 EFLAGS: 00010246 [ 88.240905][ T5032] RAX: 0000000000000023 RBX: ffff888015284a00 RCX: e81aa0b9d4907700 [ 88.255699][ T5032] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 88.266722][ T5032] RBP: 0000000000000000 R08: ffffffff81711cfc R09: 1ffff9200073de10 [ 88.277290][ T5032] R10: dffffc0000000000 R11: fffff5200073de11 R12: 0000000000000000 [ 88.287871][ T5032] R13: dffffc0000000000 R14: ffff888076e98000 R15: ffff888076e980e0 [ 88.300896][ T5032] ? __wake_up_klogd+0xcc/0x100 [ 88.308956][ T5032] ? hfsplus_bnode_create+0x3b1/0x440 [ 88.319638][ T5032] hfsplus_bmap_alloc+0x59a/0x640 [ 88.327106][ T5032] ? hfsplus_bmap_reserve+0x4e0/0x4e0 [ 88.337985][ T5032] ? hfsplus_free_extents+0x408/0xae0 [ 88.345383][ T5032] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 88.360008][ T5032] hfs_bnode_split+0xde/0x1110 [ 88.365673][ T5032] ? hfsplus_bnode_dump+0xa36/0xba0 [ 88.374266][ T5032] ? hfsplus_bnode_read+0xe9/0x1e0 [ 88.384495][ T5032] ? __asan_memcpy+0x40/0x70 [ 88.392734][ T5032] ? hfsplus_bnode_read_u16+0x1c1/0x2c0 [ 88.402320][ T5032] ? hfs_btree_inc_height+0xdb0/0xdb0 [ 88.417610][ T5032] ? hfs_find_1st_rec_by_cnid+0x3c0/0x3c0 [ 88.427106][ T5032] hfsplus_brec_insert+0x3a6/0xdd0 [ 88.436147][ T5032] ? do_raw_spin_unlock+0x13b/0x8b0 [ 88.445305][ T5032] ? hfsplus_brec_keylen+0x310/0x310 [ 88.454534][ T5032] ? __kmalloc+0xe6/0x230 [ 88.465100][ T5032] hfsplus_create_cat+0xeec/0x1b90 [ 88.473555][ T5032] ? hfsplus_find_cat+0x5c0/0x5c0 [ 88.482188][ T5032] ? number+0xb5e/0xf90 [ 88.488443][ T5032] ? vsprintf+0x30/0x30 [ 88.497823][ T5032] hfsplus_link+0x4b8/0x800 [ 88.505588][ T5032] ? hfsplus_create+0x30/0x30 [ 88.510896][ T5032] ? __down_write_common+0x161/0x200 [ 88.525069][ T5032] ? clear_nonspinnable+0x60/0x60 [ 88.540549][ T5032] vfs_link+0x4ed/0x680 [ 88.545760][ T5032] do_linkat+0x356/0x750 [ 88.557037][ T5032] ? fsnotify_link+0x220/0x220 [ 88.564762][ T5032] ? getname_flags+0x1fd/0x4f0 [ 88.575173][ T5032] __x64_sys_link+0x86/0x90 [ 88.583128][ T5032] do_syscall_64+0x41/0xc0 [ 88.589003][ T5032] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 88.600989][ T5032] RIP: 0033:0x7f90f09ba6f9 [ 88.606569][ T5032] 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 [ 88.644374][ T5032] RSP: 002b:00007ffd58f7edd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 [ 88.659304][ T5032] RAX: ffffffffffffffda RBX: 00007ffd58f7efb8 RCX: 00007f90f09ba6f9 [ 88.669826][ T5032] RDX: 00007f90f09b99f0 RSI: 0000000020000440 RDI: 00000000200002c0 [ 88.684458][ T5032] RBP: 00007f90f0a2d610 R08: 000000000000063a R09: 0000000000000000 [ 88.696502][ T5032] R10: 00007ffd58f7eca0 R11: 0000000000000246 R12: 0000000000000001 [ 88.707777][ T5032] R13: 00007ffd58f7efa8 R14: 0000000000000001 R15: 0000000000000001 [ 88.721798][ T5032] [ 88.726693][ T5032] Kernel Offset: disabled [ 88.732043][ T5032] Rebooting in 86400 seconds..