./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor324608054 <...> Warning: Permanently added '10.128.0.75' (ED25519) to the list of known hosts. execve("./syz-executor324608054", ["./syz-executor324608054"], 0x7fffba875db0 /* 10 vars */) = 0 brk(NULL) = 0x5555736f2000 brk(0x5555736f2d00) = 0x5555736f2d00 arch_prctl(ARCH_SET_FS, 0x5555736f2380) = 0 set_tid_address(0x5555736f2650) = 5220 set_robust_list(0x5555736f2660, 24) = 0 rseq(0x5555736f2ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor324608054", 4096) = 27 getrandom("\x09\x0b\x43\xa5\x0c\xf5\x98\x80", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555736f2d00 brk(0x555573713d00) = 0x555573713d00 brk(0x555573714000) = 0x555573714000 mprotect(0x7f2de56db000, 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 write(1, "executing program\n", 18executing program ) = 18 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2ddd200000 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"..., 262144) = 262144 munmap(0x7f2ddd200000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [ 63.461778][ T5220] loop0: detected capacity change from 0 to 512 [ 63.532390][ T5220] EXT4-fs (loop0): Test dummy encryption mode enabled [ 63.539285][ T5220] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 63.553137][ T5220] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 63.568422][ T5220] EXT4-fs (loop0): 1 truncate cleaned up mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "ext4", MS_SYNCHRONOUS|MS_DIRSYNC, "journal_dev=0x0000000000000003,test_dummy_encryption,stripe=0x0000000000000001,,errors=continue") = 0 openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 63.574831][ T5220] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. mkdir("./control", 000) = 0 open("./control", O_RDONLY) = 4 [ 63.637947][ T5220] fscrypt: AES-256-CBC-CTS using implementation "cts-cbc-aes-aesni" [ 63.650752][ T5220] ------------[ cut here ]------------ [ 63.656324][ T5220] WARNING: CPU: 0 PID: 5220 at fs/crypto/fname.c:567 fscrypt_fname_siphash+0xc2/0x100 [ 63.666196][ T5220] Modules linked in: [ 63.670471][ T5220] CPU: 0 UID: 0 PID: 5220 Comm: syz-executor324 Not tainted 6.11.0-rc5-syzkaller-00219-g1934261d8974 #0 [ 63.682437][ T5220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 63.692815][ T5220] RIP: 0010:fscrypt_fname_siphash+0xc2/0x100 [ 63.698793][ T5220] Code: 0f b6 04 28 84 c0 75 3d 41 8b 34 24 49 83 c6 40 4c 89 ff 4c 89 f2 5b 41 5c 41 5d 41 5e 41 5f e9 e4 c1 85 09 e8 ef 80 6f ff 90 <0f> 0b 90 eb a8 89 d9 80 e1 07 38 c1 7c 86 48 89 df e8 88 a2 d3 ff [ 63.718749][ T5220] RSP: 0018:ffffc900034c7430 EFLAGS: 00010293 [ 63.725170][ T5220] RAX: ffffffff82240af1 RBX: 0000000000000000 RCX: ffff88802e9bda00 [ 63.733476][ T5220] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.741883][ T5220] RBP: ffffc900034c75f0 R08: ffffffff82240a95 R09: ffffffff8254c6d8 [ 63.750480][ T5220] R10: 0000000000000007 R11: ffff88802e9bda00 R12: ffffc900034c7580 [ 63.758445][ T5220] R13: dffffc0000000000 R14: ffff88804b6ab000 R15: ffff88807d31dc68 [ 63.766501][ T5220] FS: 00005555736f2380(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 [ 63.775483][ T5220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.782470][ T5220] CR2: 0000000020023000 CR3: 000000004b338000 CR4: 00000000003506f0 [ 63.790488][ T5220] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.798534][ T5220] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.806568][ T5220] Call Trace: [ 63.809906][ T5220] [ 63.812856][ T5220] ? __warn+0x163/0x4e0 [ 63.817027][ T5220] ? fscrypt_fname_siphash+0xc2/0x100 [ 63.822452][ T5220] ? report_bug+0x2b3/0x500 [ 63.826976][ T5220] ? fscrypt_fname_siphash+0xc2/0x100 [ 63.832398][ T5220] ? handle_bug+0x3e/0x70 [ 63.836733][ T5220] ? exc_invalid_op+0x1a/0x50 [ 63.841467][ T5220] ? asm_exc_invalid_op+0x1a/0x20 [ 63.846503][ T5220] ? __ext4fs_dirhash+0x298/0x1530 [ 63.851664][ T5220] ? fscrypt_fname_siphash+0x65/0x100 [ 63.857066][ T5220] ? fscrypt_fname_siphash+0xc1/0x100 [ 63.862480][ T5220] ? fscrypt_fname_siphash+0xc2/0x100 [ 63.867860][ T5220] __ext4fs_dirhash+0x3db/0x1530 [ 63.872861][ T5220] ? __pfx___ext4fs_dirhash+0x10/0x10 [ 63.878351][ T5220] ext4fs_dirhash+0x193/0x320 [ 63.883079][ T5220] ? __pfx_ext4fs_dirhash+0x10/0x10 [ 63.888298][ T5220] htree_dirblock_to_tree+0x727/0x10e0 [ 63.893836][ T5220] ? __pfx_htree_dirblock_to_tree+0x10/0x10 [ 63.899778][ T5220] ? kasan_save_track+0x3f/0x80 [ 63.904630][ T5220] ? __kasan_kmalloc+0x98/0xb0 [ 63.909374][ T5220] ? iterate_dir+0x57a/0x810 [ 63.914000][ T5220] ? __se_sys_getdents64+0x20d/0x4f0 [ 63.919298][ T5220] ? do_syscall_64+0xf3/0x230 [ 63.924013][ T5220] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.930150][ T5220] ext4_htree_fill_tree+0x744/0x1400 [ 63.935452][ T5220] ? __pfx_ext4_htree_fill_tree+0x10/0x10 [ 63.941223][ T5220] ? ext4_readdir+0x4c4/0x3500 [ 63.946009][ T5220] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 63.951671][ T5220] ext4_readdir+0x2b1c/0x3500 [ 63.956387][ T5220] ? __pfx___might_resched+0x10/0x10 [ 63.961730][ T5220] ? __mutex_trylock_common+0x183/0x2e0 [ 63.967284][ T5220] ? __pfx___might_resched+0x10/0x10 [ 63.972620][ T5220] ? __pfx___mutex_trylock_common+0x10/0x10 [ 63.978517][ T5220] ? down_read_killable+0xaaa/0xd30 [ 63.983755][ T5220] ? __pfx_ext4_readdir+0x10/0x10 [ 63.988822][ T5220] ? trace_contention_end+0x3c/0x120 [ 63.994236][ T5220] ? __mutex_lock+0x2ef/0xd70 [ 63.998922][ T5220] ? iterate_dir+0x215/0x810 [ 64.003600][ T5220] ? __pfx_down_read_killable+0x10/0x10 [ 64.009180][ T5220] ? __fdget_pos+0x24e/0x310 [ 64.013811][ T5220] ? __pfx___mutex_lock+0x10/0x10 [ 64.018848][ T5220] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 64.024875][ T5220] ? bpf_lsm_file_permission+0x9/0x10 [ 64.030297][ T5220] iterate_dir+0x57a/0x810 [ 64.034708][ T5220] __se_sys_getdents64+0x20d/0x4f0 [ 64.039865][ T5220] ? _raw_spin_unlock_irq+0x2e/0x50 [ 64.045082][ T5220] ? __pfx___se_sys_getdents64+0x10/0x10 [ 64.050754][ T5220] ? __pfx_filldir64+0x10/0x10 [ 64.055532][ T5220] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 64.061923][ T5220] ? do_syscall_64+0x100/0x230 [ 64.066694][ T5220] do_syscall_64+0xf3/0x230 [ 64.071299][ T5220] ? clear_bhb_loop+0x35/0x90 [ 64.076029][ T5220] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.081983][ T5220] RIP: 0033:0x7f2de5668a39 [ 64.086420][ T5220] 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 [ 64.106109][ T5220] RSP: 002b:00007ffccec1a248 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 64.114584][ T5220] RAX: ffffffffffffffda RBX: 6f72746e6f632f2e RCX: 00007f2de5668a39 [ 64.122590][ T5220] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 64.130604][ T5220] RBP: 00007f2de56db610 R08: 0000000000000000 R09: 00007ffccec1a418 [ 64.138573][ T5220] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 64.146583][ T5220] R13: 00007ffccec1a408 R14: 0000000000000001 R15: 0000000000000001 [ 64.154602][ T5220] [ 64.157614][ T5220] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 64.164873][ T5220] CPU: 0 UID: 0 PID: 5220 Comm: syz-executor324 Not tainted 6.11.0-rc5-syzkaller-00219-g1934261d8974 #0 [ 64.175959][ T5220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 64.185996][ T5220] Call Trace: [ 64.189266][ T5220] [ 64.192182][ T5220] dump_stack_lvl+0x241/0x360 [ 64.196846][ T5220] ? __pfx_dump_stack_lvl+0x10/0x10 [ 64.202039][ T5220] ? __pfx__printk+0x10/0x10 [ 64.206647][ T5220] ? _printk+0xd5/0x120 [ 64.210805][ T5220] ? vscnprintf+0x5d/0x90 [ 64.215139][ T5220] panic+0x349/0x860 [ 64.219038][ T5220] ? __warn+0x172/0x4e0 [ 64.223190][ T5220] ? __pfx_panic+0x10/0x10 [ 64.227596][ T5220] ? show_trace_log_lvl+0x4e6/0x520 [ 64.232805][ T5220] __warn+0x346/0x4e0 [ 64.236775][ T5220] ? fscrypt_fname_siphash+0xc2/0x100 [ 64.242145][ T5220] report_bug+0x2b3/0x500 [ 64.246491][ T5220] ? fscrypt_fname_siphash+0xc2/0x100 [ 64.251886][ T5220] handle_bug+0x3e/0x70 [ 64.256051][ T5220] exc_invalid_op+0x1a/0x50 [ 64.260552][ T5220] asm_exc_invalid_op+0x1a/0x20 [ 64.265407][ T5220] RIP: 0010:fscrypt_fname_siphash+0xc2/0x100 [ 64.271387][ T5220] Code: 0f b6 04 28 84 c0 75 3d 41 8b 34 24 49 83 c6 40 4c 89 ff 4c 89 f2 5b 41 5c 41 5d 41 5e 41 5f e9 e4 c1 85 09 e8 ef 80 6f ff 90 <0f> 0b 90 eb a8 89 d9 80 e1 07 38 c1 7c 86 48 89 df e8 88 a2 d3 ff [ 64.291005][ T5220] RSP: 0018:ffffc900034c7430 EFLAGS: 00010293 [ 64.297080][ T5220] RAX: ffffffff82240af1 RBX: 0000000000000000 RCX: ffff88802e9bda00 [ 64.305043][ T5220] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 64.313006][ T5220] RBP: ffffc900034c75f0 R08: ffffffff82240a95 R09: ffffffff8254c6d8 [ 64.320973][ T5220] R10: 0000000000000007 R11: ffff88802e9bda00 R12: ffffc900034c7580 [ 64.328935][ T5220] R13: dffffc0000000000 R14: ffff88804b6ab000 R15: ffff88807d31dc68 [ 64.336905][ T5220] ? __ext4fs_dirhash+0x298/0x1530 [ 64.342021][ T5220] ? fscrypt_fname_siphash+0x65/0x100 [ 64.347387][ T5220] ? fscrypt_fname_siphash+0xc1/0x100 [ 64.352761][ T5220] __ext4fs_dirhash+0x3db/0x1530 [ 64.357707][ T5220] ? __pfx___ext4fs_dirhash+0x10/0x10 [ 64.363087][ T5220] ext4fs_dirhash+0x193/0x320 [ 64.367768][ T5220] ? __pfx_ext4fs_dirhash+0x10/0x10 [ 64.372980][ T5220] htree_dirblock_to_tree+0x727/0x10e0 [ 64.378453][ T5220] ? __pfx_htree_dirblock_to_tree+0x10/0x10 [ 64.384336][ T5220] ? kasan_save_track+0x3f/0x80 [ 64.389184][ T5220] ? __kasan_kmalloc+0x98/0xb0 [ 64.393936][ T5220] ? iterate_dir+0x57a/0x810 [ 64.398517][ T5220] ? __se_sys_getdents64+0x20d/0x4f0 [ 64.403794][ T5220] ? do_syscall_64+0xf3/0x230 [ 64.408463][ T5220] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.414533][ T5220] ext4_htree_fill_tree+0x744/0x1400 [ 64.419824][ T5220] ? __pfx_ext4_htree_fill_tree+0x10/0x10 [ 64.425549][ T5220] ? ext4_readdir+0x4c4/0x3500 [ 64.430316][ T5220] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 64.435862][ T5220] ext4_readdir+0x2b1c/0x3500 [ 64.440544][ T5220] ? __pfx___might_resched+0x10/0x10 [ 64.445823][ T5220] ? __mutex_trylock_common+0x183/0x2e0 [ 64.451358][ T5220] ? __pfx___might_resched+0x10/0x10 [ 64.456636][ T5220] ? __pfx___mutex_trylock_common+0x10/0x10 [ 64.462527][ T5220] ? down_read_killable+0xaaa/0xd30 [ 64.467718][ T5220] ? __pfx_ext4_readdir+0x10/0x10 [ 64.472733][ T5220] ? trace_contention_end+0x3c/0x120 [ 64.478012][ T5220] ? __mutex_lock+0x2ef/0xd70 [ 64.482683][ T5220] ? iterate_dir+0x215/0x810 [ 64.487269][ T5220] ? __pfx_down_read_killable+0x10/0x10 [ 64.492807][ T5220] ? __fdget_pos+0x24e/0x310 [ 64.497389][ T5220] ? __pfx___mutex_lock+0x10/0x10 [ 64.502407][ T5220] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 64.508379][ T5220] ? bpf_lsm_file_permission+0x9/0x10 [ 64.513768][ T5220] iterate_dir+0x57a/0x810 [ 64.518186][ T5220] __se_sys_getdents64+0x20d/0x4f0 [ 64.523289][ T5220] ? _raw_spin_unlock_irq+0x2e/0x50 [ 64.528492][ T5220] ? __pfx___se_sys_getdents64+0x10/0x10 [ 64.534172][ T5220] ? __pfx_filldir64+0x10/0x10 [ 64.538931][ T5220] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 64.545254][ T5220] ? do_syscall_64+0x100/0x230 [ 64.550018][ T5220] do_syscall_64+0xf3/0x230 [ 64.554514][ T5220] ? clear_bhb_loop+0x35/0x90 [ 64.559183][ T5220] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.565068][ T5220] RIP: 0033:0x7f2de5668a39 [ 64.569497][ T5220] 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 [ 64.589267][ T5220] RSP: 002b:00007ffccec1a248 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 64.597675][ T5220] RAX: ffffffffffffffda RBX: 6f72746e6f632f2e RCX: 00007f2de5668a39 [ 64.605636][ T5220] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 64.613684][ T5220] RBP: 00007f2de56db610 R08: 0000000000000000 R09: 00007ffccec1a418 [ 64.621644][ T5220] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 64.629712][ T5220] R13: 00007ffccec1a408 R14: 0000000000000001 R15: 0000000000000001 [ 64.637704][ T5220] [ 64.640938][ T5220] Kernel Offset: disabled [ 64.645303][ T5220] Rebooting in 86400 seconds..