./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2205634257 <...> Warning: Permanently added '10.128.1.136' (ED25519) to the list of known hosts. execve("./syz-executor2205634257", ["./syz-executor2205634257"], 0x7ffd09586ab0 /* 10 vars */) = 0 brk(NULL) = 0x55558f0a6000 brk(0x55558f0a6d00) = 0x55558f0a6d00 arch_prctl(ARCH_SET_FS, 0x55558f0a6380) = 0 set_tid_address(0x55558f0a6650) = 5212 set_robust_list(0x55558f0a6660, 24) = 0 rseq(0x55558f0a6ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2205634257", 4096) = 28 getrandom("\x90\x0e\xb9\x17\xbd\x4e\x70\xd2", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558f0a6d00 brk(0x55558f0c7d00) = 0x55558f0c7d00 brk(0x55558f0c8000) = 0x55558f0c8000 mprotect(0x7fa65a284000, 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 5214 attached , child_tidptr=0x55558f0a6650) = 5214 [pid 5214] set_robust_list(0x55558f0a6660, 24) = 0 [pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5214] setpgid(0, 0) = 0 [pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5214] write(3, "1000", 4) = 4 [pid 5214] close(3) = 0 [pid 5214] write(1, "executing program\n", 18executing program ) = 18 [pid 5214] memfd_create("syzkaller", 0) = 3 [pid 5214] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa651c00000 [pid 5214] 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 [pid 5214] munmap(0x7fa651c00000, 138412032) = 0 [pid 5214] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5214] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5214] close(3) = 0 [pid 5214] close(4) = 0 [pid 5214] mkdir("./control", 0777) = 0 [ 58.602472][ T5214] loop0: detected capacity change from 0 to 512 [ 58.665004][ T5214] EXT4-fs (loop0): Test dummy encryption mode enabled [ 58.672689][ T5214] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 58.685880][ T5214] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 58.702387][ T5214] EXT4-fs (loop0): 1 truncate cleaned up [pid 5214] mount("/dev/loop0", "./control", "ext4", MS_DIRSYNC|MS_I_VERSION, "nodioread_nolock,test_dummy_encryption,stripe=0x00000000000007ff,,errors=continue") = 0 [pid 5214] openat(AT_FDCWD, "./control", O_RDONLY|O_DIRECTORY) = 3 [pid 5214] chdir("./control") = 0 [pid 5214] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 58.709493][ T5214] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5214] mkdir("./control", 000) = 0 [pid 5214] open("./control", O_RDONLY) = 4 [ 58.773943][ T5214] fscrypt: AES-256-CBC-CTS using implementation "cts-cbc-aes-aesni" [ 58.788190][ T5214] ------------[ cut here ]------------ [ 58.793758][ T5214] WARNING: CPU: 0 PID: 5214 at fs/crypto/fname.c:567 fscrypt_fname_siphash+0xc2/0x100 [ 58.803617][ T5214] Modules linked in: [ 58.807759][ T5214] CPU: 0 UID: 0 PID: 5214 Comm: syz-executor220 Not tainted 6.11.0-rc4-syzkaller-00274-g780bdc1ba776 #0 [ 58.818966][ T5214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 58.829085][ T5214] RIP: 0010:fscrypt_fname_siphash+0xc2/0x100 [ 58.835087][ T5214] 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 54 2a 84 09 e8 ff ba 70 ff 90 <0f> 0b 90 eb a8 89 d9 80 e1 07 38 c1 7c 86 48 89 df e8 38 d6 d4 ff [ 58.854779][ T5214] RSP: 0018:ffffc9000355f430 EFLAGS: 00010293 [ 58.860895][ T5214] RAX: ffffffff8222d281 RBX: 0000000000000000 RCX: ffff888029013c00 [ 58.868899][ T5214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 58.876900][ T5214] RBP: ffffc9000355f5f0 R08: ffffffff8222d225 R09: ffffffff825385f8 [ 58.884865][ T5214] R10: 0000000000000007 R11: ffff888029013c00 R12: ffffc9000355f580 [ 58.892901][ T5214] R13: dffffc0000000000 R14: ffff88807eb2e000 R15: ffff88807e813488 [ 58.900931][ T5214] FS: 000055558f0a6380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 [ 58.909900][ T5214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.916543][ T5214] CR2: 00007fa65a2880f8 CR3: 0000000049562000 CR4: 00000000003506f0 [ 58.924562][ T5214] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.932574][ T5214] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.940607][ T5214] Call Trace: [ 58.943898][ T5214] [ 58.946892][ T5214] ? __warn+0x163/0x4e0 [ 58.951071][ T5214] ? fscrypt_fname_siphash+0xc2/0x100 [ 58.956530][ T5214] ? report_bug+0x2b3/0x500 [ 58.961070][ T5214] ? fscrypt_fname_siphash+0xc2/0x100 [ 58.966495][ T5214] ? handle_bug+0x3e/0x70 [ 58.970837][ T5214] ? exc_invalid_op+0x1a/0x50 [ 58.975507][ T5214] ? asm_exc_invalid_op+0x1a/0x20 [ 58.980585][ T5214] ? __ext4fs_dirhash+0x298/0x1530 [ 58.985705][ T5214] ? fscrypt_fname_siphash+0x65/0x100 [ 58.991116][ T5214] ? fscrypt_fname_siphash+0xc1/0x100 [ 58.996523][ T5214] ? fscrypt_fname_siphash+0xc2/0x100 [ 59.001887][ T5214] __ext4fs_dirhash+0x3db/0x1530 [ 59.006897][ T5214] ? __pfx___ext4fs_dirhash+0x10/0x10 [ 59.012312][ T5214] ext4fs_dirhash+0x193/0x320 [ 59.017025][ T5214] ? __pfx_ext4fs_dirhash+0x10/0x10 [ 59.022277][ T5214] htree_dirblock_to_tree+0x727/0x10e0 [ 59.027792][ T5214] ? __pfx_htree_dirblock_to_tree+0x10/0x10 [ 59.033723][ T5214] ? kasan_save_track+0x3f/0x80 [ 59.038643][ T5214] ? __kasan_kmalloc+0x98/0xb0 [ 59.043503][ T5214] ? iterate_dir+0x57a/0x810 [ 59.048130][ T5214] ? __se_sys_getdents64+0x20d/0x4f0 [ 59.053430][ T5214] ? do_syscall_64+0xf3/0x230 [ 59.058141][ T5214] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.064227][ T5214] ext4_htree_fill_tree+0x744/0x1400 [ 59.069587][ T5214] ? __pfx_ext4_htree_fill_tree+0x10/0x10 [ 59.075432][ T5214] ? ext4_readdir+0x4c4/0x3500 [ 59.080239][ T5214] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 59.085821][ T5214] ext4_readdir+0x2b1c/0x3500 [ 59.090585][ T5214] ? __pfx___might_resched+0x10/0x10 [ 59.095888][ T5214] ? __mutex_trylock_common+0x183/0x2e0 [ 59.101640][ T5214] ? __pfx___might_resched+0x10/0x10 [ 59.106967][ T5214] ? __pfx___mutex_trylock_common+0x10/0x10 [ 59.112854][ T5214] ? down_read_killable+0xaaa/0xd30 [ 59.118082][ T5214] ? __pfx_ext4_readdir+0x10/0x10 [ 59.123114][ T5214] ? trace_contention_end+0x3c/0x120 [ 59.128460][ T5214] ? __mutex_lock+0x2ef/0xd70 [ 59.133141][ T5214] ? iterate_dir+0x215/0x810 [ 59.137759][ T5214] ? __pfx_down_read_killable+0x10/0x10 [ 59.143314][ T5214] ? __fdget_pos+0x24e/0x310 [ 59.147940][ T5214] ? __pfx___mutex_lock+0x10/0x10 [ 59.152983][ T5214] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 59.159019][ T5214] ? bpf_lsm_file_permission+0x9/0x10 [ 59.164433][ T5214] iterate_dir+0x57a/0x810 [ 59.168890][ T5214] __se_sys_getdents64+0x20d/0x4f0 [ 59.174008][ T5214] ? _raw_spin_unlock_irq+0x2e/0x50 [ 59.179244][ T5214] ? __pfx___se_sys_getdents64+0x10/0x10 [ 59.184878][ T5214] ? __pfx_filldir64+0x10/0x10 [ 59.189691][ T5214] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 59.196034][ T5214] ? exc_page_fault+0x590/0x8c0 [ 59.200989][ T5214] do_syscall_64+0xf3/0x230 [ 59.205509][ T5214] ? clear_bhb_loop+0x35/0x90 [ 59.210229][ T5214] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.216128][ T5214] RIP: 0033:0x7fa65a20fd99 [ 59.220597][ T5214] 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 [ 59.240239][ T5214] RSP: 002b:00007ffeb9b2fca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 59.248687][ T5214] RAX: ffffffffffffffda RBX: 6f72746e6f632f2e RCX: 00007fa65a20fd99 [ 59.256691][ T5214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 59.264671][ T5214] RBP: 00007fa65a2845f0 R08: 000055558f0a74c0 R09: 000055558f0a74c0 [ 59.272863][ T5214] R10: 000055558f0a74c0 R11: 0000000000000246 R12: 00007ffeb9b2fcd0 [ 59.280940][ T5214] R13: 00007ffeb9b2fef8 R14: 431bde82d7b634db R15: 00007fa65a25903b [ 59.288977][ T5214] [ 59.292019][ T5214] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 59.299285][ T5214] CPU: 0 UID: 0 PID: 5214 Comm: syz-executor220 Not tainted 6.11.0-rc4-syzkaller-00274-g780bdc1ba776 #0 [ 59.310385][ T5214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 59.320443][ T5214] Call Trace: [ 59.323714][ T5214] [ 59.326638][ T5214] dump_stack_lvl+0x241/0x360 [ 59.331315][ T5214] ? __pfx_dump_stack_lvl+0x10/0x10 [ 59.336508][ T5214] ? __pfx__printk+0x10/0x10 [ 59.341093][ T5214] ? _printk+0xd5/0x120 [ 59.345248][ T5214] ? vscnprintf+0x5d/0x90 [ 59.349571][ T5214] panic+0x349/0x860 [ 59.353464][ T5214] ? __warn+0x172/0x4e0 [ 59.357610][ T5214] ? __pfx_panic+0x10/0x10 [ 59.362018][ T5214] ? show_trace_log_lvl+0x4e6/0x520 [ 59.367228][ T5214] __warn+0x346/0x4e0 [ 59.371229][ T5214] ? fscrypt_fname_siphash+0xc2/0x100 [ 59.376608][ T5214] report_bug+0x2b3/0x500 [ 59.380958][ T5214] ? fscrypt_fname_siphash+0xc2/0x100 [ 59.386354][ T5214] handle_bug+0x3e/0x70 [ 59.390523][ T5214] exc_invalid_op+0x1a/0x50 [ 59.395061][ T5214] asm_exc_invalid_op+0x1a/0x20 [ 59.399915][ T5214] RIP: 0010:fscrypt_fname_siphash+0xc2/0x100 [ 59.405893][ T5214] 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 54 2a 84 09 e8 ff ba 70 ff 90 <0f> 0b 90 eb a8 89 d9 80 e1 07 38 c1 7c 86 48 89 df e8 38 d6 d4 ff [ 59.425508][ T5214] RSP: 0018:ffffc9000355f430 EFLAGS: 00010293 [ 59.431593][ T5214] RAX: ffffffff8222d281 RBX: 0000000000000000 RCX: ffff888029013c00 [ 59.439566][ T5214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.447535][ T5214] RBP: ffffc9000355f5f0 R08: ffffffff8222d225 R09: ffffffff825385f8 [ 59.455507][ T5214] R10: 0000000000000007 R11: ffff888029013c00 R12: ffffc9000355f580 [ 59.463472][ T5214] R13: dffffc0000000000 R14: ffff88807eb2e000 R15: ffff88807e813488 [ 59.471447][ T5214] ? __ext4fs_dirhash+0x298/0x1530 [ 59.476557][ T5214] ? fscrypt_fname_siphash+0x65/0x100 [ 59.481918][ T5214] ? fscrypt_fname_siphash+0xc1/0x100 [ 59.487288][ T5214] __ext4fs_dirhash+0x3db/0x1530 [ 59.492264][ T5214] ? __pfx___ext4fs_dirhash+0x10/0x10 [ 59.497640][ T5214] ext4fs_dirhash+0x193/0x320 [ 59.502306][ T5214] ? __pfx_ext4fs_dirhash+0x10/0x10 [ 59.507527][ T5214] htree_dirblock_to_tree+0x727/0x10e0 [ 59.513009][ T5214] ? __pfx_htree_dirblock_to_tree+0x10/0x10 [ 59.518909][ T5214] ? kasan_save_track+0x3f/0x80 [ 59.523767][ T5214] ? __kasan_kmalloc+0x98/0xb0 [ 59.528526][ T5214] ? iterate_dir+0x57a/0x810 [ 59.533227][ T5214] ? __se_sys_getdents64+0x20d/0x4f0 [ 59.538503][ T5214] ? do_syscall_64+0xf3/0x230 [ 59.543169][ T5214] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.549231][ T5214] ext4_htree_fill_tree+0x744/0x1400 [ 59.554615][ T5214] ? __pfx_ext4_htree_fill_tree+0x10/0x10 [ 59.560341][ T5214] ? ext4_readdir+0x4c4/0x3500 [ 59.565092][ T5214] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 59.571096][ T5214] ext4_readdir+0x2b1c/0x3500 [ 59.575811][ T5214] ? __pfx___might_resched+0x10/0x10 [ 59.581108][ T5214] ? __mutex_trylock_common+0x183/0x2e0 [ 59.586664][ T5214] ? __pfx___might_resched+0x10/0x10 [ 59.591966][ T5214] ? __pfx___mutex_trylock_common+0x10/0x10 [ 59.597859][ T5214] ? down_read_killable+0xaaa/0xd30 [ 59.603049][ T5214] ? __pfx_ext4_readdir+0x10/0x10 [ 59.608088][ T5214] ? trace_contention_end+0x3c/0x120 [ 59.613400][ T5214] ? __mutex_lock+0x2ef/0xd70 [ 59.618253][ T5214] ? iterate_dir+0x215/0x810 [ 59.622836][ T5214] ? __pfx_down_read_killable+0x10/0x10 [ 59.628373][ T5214] ? __fdget_pos+0x24e/0x310 [ 59.632963][ T5214] ? __pfx___mutex_lock+0x10/0x10 [ 59.637992][ T5214] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 59.643994][ T5214] ? bpf_lsm_file_permission+0x9/0x10 [ 59.649377][ T5214] iterate_dir+0x57a/0x810 [ 59.653795][ T5214] __se_sys_getdents64+0x20d/0x4f0 [ 59.658898][ T5214] ? _raw_spin_unlock_irq+0x2e/0x50 [ 59.664095][ T5214] ? __pfx___se_sys_getdents64+0x10/0x10 [ 59.669716][ T5214] ? __pfx_filldir64+0x10/0x10 [ 59.674470][ T5214] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 59.680878][ T5214] ? exc_page_fault+0x590/0x8c0 [ 59.685753][ T5214] do_syscall_64+0xf3/0x230 [ 59.690274][ T5214] ? clear_bhb_loop+0x35/0x90 [ 59.694962][ T5214] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.700851][ T5214] RIP: 0033:0x7fa65a20fd99 [ 59.705257][ T5214] 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 [ 59.724871][ T5214] RSP: 002b:00007ffeb9b2fca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 59.733284][ T5214] RAX: ffffffffffffffda RBX: 6f72746e6f632f2e RCX: 00007fa65a20fd99 [ 59.741266][ T5214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 59.749249][ T5214] RBP: 00007fa65a2845f0 R08: 000055558f0a74c0 R09: 000055558f0a74c0 [ 59.757229][ T5214] R10: 000055558f0a74c0 R11: 0000000000000246 R12: 00007ffeb9b2fcd0 [ 59.765209][ T5214] R13: 00007ffeb9b2fef8 R14: 431bde82d7b634db R15: 00007fa65a25903b [ 59.773200][ T5214] [ 59.776320][ T5214] Kernel Offset: disabled [ 59.780682][ T5214] Rebooting in 86400 seconds..