./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1782877371 <...> Warning: Permanently added '10.128.0.237' (ED25519) to the list of known hosts. execve("./syz-executor1782877371", ["./syz-executor1782877371"], 0x7fff60857160 /* 10 vars */) = 0 brk(NULL) = 0x55558d874000 brk(0x55558d874d00) = 0x55558d874d00 arch_prctl(ARCH_SET_FS, 0x55558d874380) = 0 set_tid_address(0x55558d874650) = 5818 set_robust_list(0x55558d874660, 24) = 0 rseq(0x55558d874ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1782877371", 4096) = 28 getrandom("\xe5\xcd\x1b\x52\x4f\x40\x15\x91", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558d874d00 brk(0x55558d895d00) = 0x55558d895d00 brk(0x55558d896000) = 0x55558d896000 mprotect(0x7f556619c000, 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 5820 attached , child_tidptr=0x55558d874650) = 5820 [pid 5820] set_robust_list(0x55558d874660, 24) = 0 [pid 5820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5820] setpgid(0, 0) = 0 [pid 5820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "1000", 4) = 4 [pid 5820] close(3) = 0 [pid 5820] write(1, "executing program\n", 18executing program ) = 18 [pid 5820] memfd_create("syzkaller", 0) = 3 [pid 5820] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f555dc00000 [pid 5820] 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"..., 67108864) = 67108864 [pid 5820] munmap(0x7f555dc00000, 138412032) = 0 [pid 5820] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5820] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5820] close(3) = 0 [pid 5820] close(4) = 0 [pid 5820] mkdir("./file0", 0777) = 0 [ 62.887506][ T5820] loop0: detected capacity change from 0 to 131072 [ 62.913996][ T5820] F2FS-fs (loop0): invalid crc value [ 62.929228][ T5820] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 5820] mount("/dev/loop0", "./file0", "f2fs", MS_RELATIME, "") = 0 [pid 5820] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5820] chdir("./file0") = 0 [pid 5820] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 62.961647][ T5820] F2FS-fs (loop0): f2fs_check_nid_range: out-of-range nid=49000000, run fsck to fix. [ 62.975604][ T5820] F2FS-fs (loop0): Bad quota inode 1:1224736768 [ 62.981896][ T5820] F2FS-fs (loop0): Failed to enable quota tracking (type=1, err=-22). Please run fsck to fix. [ 62.992223][ T5820] F2FS-fs (loop0): Cannot turn on quotas: error -22 [ 63.001177][ T5820] F2FS-fs (loop0): Mounted with checkpoint version = 1b41e954 [ 63.034454][ T5820] ------------[ cut here ]------------ [ 63.040018][ T5820] UBSAN: array-index-out-of-bounds in fs/f2fs/f2fs.h:3292:19 [ 63.047637][ T5820] index 18446744073709500059 is out of range for type '__le32[923]' (aka 'unsigned int[923]') [ 63.058033][ T5820] CPU: 0 UID: 0 PID: 5820 Comm: syz-executor178 Not tainted 6.13.0-rc3-syzkaller-00301-gbcde95ce32b6 #0 [ 63.069157][ T5820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 63.079227][ T5820] Call Trace: [ 63.082508][ T5820] [ 63.085437][ T5820] dump_stack_lvl+0x241/0x360 [ 63.090144][ T5820] ? __pfx_dump_stack_lvl+0x10/0x10 [ 63.095343][ T5820] ? __pfx__printk+0x10/0x10 [ 63.099962][ T5820] __ubsan_handle_out_of_bounds+0x121/0x150 [ 63.105869][ T5820] ? rcu_is_watching+0x15/0xb0 [ 63.110634][ T5820] read_inline_xattr+0x273/0x280 [ 63.115575][ T5820] f2fs_getxattr+0x57b/0x13b0 [ 63.120260][ T5820] ? f2fs_xattr_generic_get+0x76/0x190 [ 63.125715][ T5820] ? __pfx_f2fs_xattr_generic_get+0x10/0x10 [ 63.131603][ T5820] __vfs_getxattr+0x433/0x470 [ 63.136293][ T5820] smk_fetch+0xb1/0x140 [ 63.140454][ T5820] smack_d_instantiate+0x749/0xa50 [ 63.145577][ T5820] ? __pfx_smack_d_instantiate+0x10/0x10 [ 63.151216][ T5820] security_d_instantiate+0x107/0x1f0 [ 63.156593][ T5820] d_splice_alias+0x6f/0x330 [ 63.161186][ T5820] f2fs_lookup+0x4ff/0x820 [ 63.165617][ T5820] ? __pfx_f2fs_lookup+0x10/0x10 [ 63.170563][ T5820] ? _raw_spin_unlock+0x28/0x50 [ 63.175421][ T5820] ? d_alloc+0x142/0x190 [ 63.179663][ T5820] lookup_one_qstr_excl+0x11f/0x260 [ 63.184862][ T5820] filename_create+0x297/0x540 [ 63.189632][ T5820] ? __pfx_filename_create+0x10/0x10 [ 63.194922][ T5820] ? __might_fault+0xaa/0x120 [ 63.199689][ T5820] do_mkdirat+0xbd/0x3a0 [ 63.203929][ T5820] ? __check_object_size+0x47a/0x730 [ 63.209217][ T5820] ? __pfx_do_mkdirat+0x10/0x10 [ 63.214064][ T5820] ? strncpy_from_user+0x152/0x270 [ 63.219190][ T5820] ? getname_flags+0x1e3/0x540 [ 63.223961][ T5820] __x64_sys_mkdir+0x6c/0x80 [ 63.228602][ T5820] do_syscall_64+0xf3/0x230 [ 63.233108][ T5820] ? clear_bhb_loop+0x35/0x90 [ 63.237782][ T5820] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.243682][ T5820] RIP: 0033:0x7f5566117ad7 [ 63.248095][ T5820] Code: ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 63.267697][ T5820] RSP: 002b:00007fff7eab6a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 63.276114][ T5820] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5566117ad7 [ 63.284096][ T5820] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000180 [ 63.292089][ T5820] RBP: 0000000020000180 R08: 0000000000000000 R09: 0000000000000000 [ 63.300056][ T5820] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 63.308024][ T5820] R13: 00007fff7eab6af0 R14: 0000000000000000 R15: 0000000000000000 [ 63.316002][ T5820] [ 63.319273][ T5820] ---[ end trace ]--- [ 63.323378][ T5820] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 63.330596][ T5820] CPU: 0 UID: 0 PID: 5820 Comm: syz-executor178 Not tainted 6.13.0-rc3-syzkaller-00301-gbcde95ce32b6 #0 [ 63.341724][ T5820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 63.351805][ T5820] Call Trace: [ 63.355082][ T5820] [ 63.358014][ T5820] dump_stack_lvl+0x241/0x360 [ 63.362696][ T5820] ? __pfx_dump_stack_lvl+0x10/0x10 [ 63.367890][ T5820] ? __pfx__printk+0x10/0x10 [ 63.372480][ T5820] ? lockdep_hardirqs_on+0x99/0x150 [ 63.377681][ T5820] ? vscnprintf+0x5d/0x90 [ 63.382016][ T5820] panic+0x349/0x880 [ 63.385920][ T5820] ? check_panic_on_warn+0x21/0xb0 [ 63.391028][ T5820] ? __pfx_panic+0x10/0x10 [ 63.395436][ T5820] ? _printk+0xd5/0x120 [ 63.399588][ T5820] ? __pfx__printk+0x10/0x10 [ 63.404179][ T5820] check_panic_on_warn+0x86/0xb0 [ 63.409113][ T5820] __ubsan_handle_out_of_bounds+0x141/0x150 [ 63.415009][ T5820] ? rcu_is_watching+0x15/0xb0 [ 63.419794][ T5820] read_inline_xattr+0x273/0x280 [ 63.424730][ T5820] f2fs_getxattr+0x57b/0x13b0 [ 63.429410][ T5820] ? f2fs_xattr_generic_get+0x76/0x190 [ 63.434882][ T5820] ? __pfx_f2fs_xattr_generic_get+0x10/0x10 [ 63.440769][ T5820] __vfs_getxattr+0x433/0x470 [ 63.445451][ T5820] smk_fetch+0xb1/0x140 [ 63.449612][ T5820] smack_d_instantiate+0x749/0xa50 [ 63.454723][ T5820] ? __pfx_smack_d_instantiate+0x10/0x10 [ 63.460355][ T5820] security_d_instantiate+0x107/0x1f0 [ 63.465727][ T5820] d_splice_alias+0x6f/0x330 [ 63.470362][ T5820] f2fs_lookup+0x4ff/0x820 [ 63.474781][ T5820] ? __pfx_f2fs_lookup+0x10/0x10 [ 63.479721][ T5820] ? _raw_spin_unlock+0x28/0x50 [ 63.484566][ T5820] ? d_alloc+0x142/0x190 [ 63.488802][ T5820] lookup_one_qstr_excl+0x11f/0x260 [ 63.493998][ T5820] filename_create+0x297/0x540 [ 63.498764][ T5820] ? __pfx_filename_create+0x10/0x10 [ 63.504044][ T5820] ? __might_fault+0xaa/0x120 [ 63.508733][ T5820] do_mkdirat+0xbd/0x3a0 [ 63.512972][ T5820] ? __check_object_size+0x47a/0x730 [ 63.518266][ T5820] ? __pfx_do_mkdirat+0x10/0x10 [ 63.523108][ T5820] ? strncpy_from_user+0x152/0x270 [ 63.528226][ T5820] ? getname_flags+0x1e3/0x540 [ 63.532992][ T5820] __x64_sys_mkdir+0x6c/0x80 [ 63.537578][ T5820] do_syscall_64+0xf3/0x230 [ 63.542084][ T5820] ? clear_bhb_loop+0x35/0x90 [ 63.546760][ T5820] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.552650][ T5820] RIP: 0033:0x7f5566117ad7 [ 63.557059][ T5820] Code: ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 63.576673][ T5820] RSP: 002b:00007fff7eab6a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 63.585175][ T5820] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5566117ad7 [ 63.593152][ T5820] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000180 [ 63.601122][ T5820] RBP: 0000000020000180 R08: 0000000000000000 R09: 0000000000000000 [ 63.609096][ T5820] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 63.617080][ T5820] R13: 00007fff7eab6af0 R14: 0000000000000000 R15: 0000000000000000 [ 63.625077][ T5820] [ 63.628358][ T5820] Kernel Offset: disabled [ 63.632713][ T5820] Rebooting in 86400 seconds..