./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2567204567 <...> Warning: Permanently added '10.128.1.60' (ED25519) to the list of known hosts. execve("./syz-executor2567204567", ["./syz-executor2567204567"], 0x7ffed8803480 /* 10 vars */) = 0 brk(NULL) = 0x5555813e5000 brk(0x5555813e5d00) = 0x5555813e5d00 arch_prctl(ARCH_SET_FS, 0x5555813e5380) = 0 set_tid_address(0x5555813e5650) = 5219 set_robust_list(0x5555813e5660, 24) = 0 rseq(0x5555813e5ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2567204567", 4096) = 28 getrandom("\xfc\x40\x15\x89\x8c\x52\x4c\x4e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555813e5d00 brk(0x555581406d00) = 0x555581406d00 brk(0x555581407000) = 0x555581407000 mprotect(0x7ff097d7c000, 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, child_tidptr=0x5555813e5650) = 5221 ./strace-static-x86_64: Process 5221 attached [pid 5221] set_robust_list(0x5555813e5660, 24) = 0 [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5221] setpgid(0, 0) = 0 [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "1000", 4) = 4 [pid 5221] close(3executing program ) = 0 [pid 5221] write(1, "executing program\n", 18) = 18 [pid 5221] memfd_create("syzkaller", 0) = 3 [pid 5221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff08f800000 [pid 5221] 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"..., 131072) = 131072 [pid 5221] munmap(0x7ff08f800000, 138412032) = 0 [pid 5221] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5221] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5221] close(3) = 0 [pid 5221] close(4) = 0 [pid 5221] mkdir("./file0", 0777) = 0 [ 55.217160][ T5221] loop0: detected capacity change from 0 to 256 [ 55.239929][ T5221] ======================================================= [ 55.239929][ T5221] WARNING: The mand mount option has been deprecated and [ 55.239929][ T5221] and is ignored by this kernel. Remove the mand [pid 5221] mount("/dev/loop0", "./file0", "minix", MS_RDONLY|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_I_VERSION, "") = 0 [pid 5221] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5221] chdir("./file0") = 0 [ 55.239929][ T5221] option from the mount to silence this warning. [ 55.239929][ T5221] ======================================================= [ 55.278023][ T5221] MINIX-fs: mounting file system with errors, running fsck is recommended [pid 5221] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 55.340708][ T5221] ------------[ cut here ]------------ [ 55.346321][ T5221] UBSAN: shift-out-of-bounds in fs/minix/inode.c:399:57 [ 55.353252][ T5221] shift exponent 19968 is too large for 64-bit type 'unsigned long' [ 55.361429][ T5221] CPU: 0 UID: 0 PID: 5221 Comm: syz-executor256 Not tainted 6.12.0-rc2-syzkaller-00205-g1d227fcc7222 #0 [ 55.372547][ T5221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 55.382602][ T5221] Call Trace: [ 55.385873][ T5221] [ 55.388790][ T5221] dump_stack_lvl+0x241/0x360 [ 55.393481][ T5221] ? __pfx_dump_stack_lvl+0x10/0x10 [ 55.398675][ T5221] ? __pfx__printk+0x10/0x10 [ 55.403259][ T5221] __ubsan_handle_shift_out_of_bounds+0x3c8/0x420 [ 55.409678][ T5221] minix_statfs+0x36d/0x380 [ 55.414172][ T5221] vfs_statfs+0x13b/0x2c0 [ 55.418510][ T5221] ovl_fill_super+0x8ed/0x3560 [ 55.423284][ T5221] ? shrinker_register+0x118/0x230 [ 55.428411][ T5221] ? __pfx_ovl_fill_super+0x10/0x10 [ 55.433627][ T5221] ? __init_swait_queue_head+0xae/0x150 [ 55.439183][ T5221] ? shrinker_register+0x160/0x230 [ 55.444298][ T5221] ? sget_fc+0x909/0x9c0 [ 55.448560][ T5221] ? __pfx_set_anon_super_fc+0x10/0x10 [ 55.454026][ T5221] ? __pfx_ovl_fill_super+0x10/0x10 [ 55.459234][ T5221] get_tree_nodev+0xb7/0x140 [ 55.463832][ T5221] vfs_get_tree+0x90/0x2b0 [ 55.468270][ T5221] do_new_mount+0x2be/0xb40 [ 55.472785][ T5221] ? __pfx_do_new_mount+0x10/0x10 [ 55.477825][ T5221] __se_sys_mount+0x2d6/0x3c0 [ 55.482526][ T5221] ? __pfx___se_sys_mount+0x10/0x10 [ 55.487746][ T5221] ? do_syscall_64+0x100/0x230 [ 55.492522][ T5221] ? __x64_sys_mount+0x20/0xc0 [ 55.497292][ T5221] do_syscall_64+0xf3/0x230 [ 55.501835][ T5221] ? clear_bhb_loop+0x35/0x90 [ 55.506518][ T5221] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 55.512447][ T5221] RIP: 0033:0x7ff097d08ad9 [ 55.516881][ T5221] 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 [ 55.536506][ T5221] RSP: 002b:00007ffe642c2058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.544928][ T5221] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007ff097d08ad9 [ 55.552902][ T5221] RDX: 0000000020000180 RSI: 0000000020000140 RDI: 0000000000000000 [ 55.560870][ T5221] RBP: 00007ff097d7c5f0 R08: 0000000020000000 R09: 00005555813e64c0 [ 55.568838][ T5221] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe642c2080 [ 55.576803][ T5221] R13: 00007ffe642c22a8 R14: 431bde82d7b634db R15: 00007ff097d5103b [ 55.584784][ T5221] [ 55.588243][ T5221] ---[ end trace ]--- [ 55.592254][ T5221] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 55.599446][ T5221] CPU: 0 UID: 0 PID: 5221 Comm: syz-executor256 Not tainted 6.12.0-rc2-syzkaller-00205-g1d227fcc7222 #0 [ 55.610551][ T5221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 55.620635][ T5221] Call Trace: [ 55.623911][ T5221] [ 55.626836][ T5221] dump_stack_lvl+0x241/0x360 [ 55.631514][ T5221] ? __pfx_dump_stack_lvl+0x10/0x10 [ 55.636708][ T5221] ? __pfx__printk+0x10/0x10 [ 55.641290][ T5221] ? lockdep_hardirqs_on+0x99/0x150 [ 55.646495][ T5221] ? vscnprintf+0x5d/0x90 [ 55.650819][ T5221] panic+0x349/0x880 [ 55.654709][ T5221] ? check_panic_on_warn+0x21/0xb0 [ 55.659884][ T5221] ? __pfx_panic+0x10/0x10 [ 55.664311][ T5221] ? _printk+0xd5/0x120 [ 55.668479][ T5221] ? __pfx__printk+0x10/0x10 [ 55.673072][ T5221] check_panic_on_warn+0x86/0xb0 [ 55.678010][ T5221] __ubsan_handle_shift_out_of_bounds+0x3e7/0x420 [ 55.684439][ T5221] minix_statfs+0x36d/0x380 [ 55.688945][ T5221] vfs_statfs+0x13b/0x2c0 [ 55.693278][ T5221] ovl_fill_super+0x8ed/0x3560 [ 55.698051][ T5221] ? shrinker_register+0x118/0x230 [ 55.703176][ T5221] ? __pfx_ovl_fill_super+0x10/0x10 [ 55.708388][ T5221] ? __init_swait_queue_head+0xae/0x150 [ 55.713935][ T5221] ? shrinker_register+0x160/0x230 [ 55.719047][ T5221] ? sget_fc+0x909/0x9c0 [ 55.723289][ T5221] ? __pfx_set_anon_super_fc+0x10/0x10 [ 55.728745][ T5221] ? __pfx_ovl_fill_super+0x10/0x10 [ 55.733941][ T5221] get_tree_nodev+0xb7/0x140 [ 55.738528][ T5221] vfs_get_tree+0x90/0x2b0 [ 55.742942][ T5221] do_new_mount+0x2be/0xb40 [ 55.747448][ T5221] ? __pfx_do_new_mount+0x10/0x10 [ 55.752479][ T5221] __se_sys_mount+0x2d6/0x3c0 [ 55.757156][ T5221] ? __pfx___se_sys_mount+0x10/0x10 [ 55.762398][ T5221] ? do_syscall_64+0x100/0x230 [ 55.767157][ T5221] ? __x64_sys_mount+0x20/0xc0 [ 55.771918][ T5221] do_syscall_64+0xf3/0x230 [ 55.776416][ T5221] ? clear_bhb_loop+0x35/0x90 [ 55.781087][ T5221] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 55.786979][ T5221] RIP: 0033:0x7ff097d08ad9 [ 55.791392][ T5221] 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 [ 55.810991][ T5221] RSP: 002b:00007ffe642c2058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.819402][ T5221] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007ff097d08ad9 [ 55.827373][ T5221] RDX: 0000000020000180 RSI: 0000000020000140 RDI: 0000000000000000 [ 55.835346][ T5221] RBP: 00007ff097d7c5f0 R08: 0000000020000000 R09: 00005555813e64c0 [ 55.843312][ T5221] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe642c2080 [ 55.851276][ T5221] R13: 00007ffe642c22a8 R14: 431bde82d7b634db R15: 00007ff097d5103b [ 55.859254][ T5221] [ 55.862520][ T5221] Kernel Offset: disabled [ 55.866870][ T5221] Rebooting in 86400 seconds..