./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2457700118 <...> Warning: Permanently added '10.128.1.34' (ED25519) to the list of known hosts. execve("./syz-executor2457700118", ["./syz-executor2457700118"], 0x7fff8c39a2d0 /* 10 vars */) = 0 brk(NULL) = 0x555571ca3000 brk(0x555571ca3d00) = 0x555571ca3d00 arch_prctl(ARCH_SET_FS, 0x555571ca3380) = 0 set_tid_address(0x555571ca3650) = 5071 set_robust_list(0x555571ca3660, 24) = 0 rseq(0x555571ca3ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2457700118", 4096) = 28 getrandom("\xe2\x2d\x79\x84\x59\x3d\x86\x6d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555571ca3d00 brk(0x555571cc4d00) = 0x555571cc4d00 brk(0x555571cc5000) = 0x555571cc5000 mprotect(0x7fbbd4f1f000, 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) = 0x7fbbcca00000 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"..., 32768) = 32768 munmap(0x7fbbcca00000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file0", 0777) = 0 mount("/dev/loop0", "./file0", "minix", MS_NODEV|MS_LAZYTIME, "") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) creat("./bus", 000) = 4 [ 72.015413][ T5071] loop0: detected capacity change from 0 to 64 [ 72.063030][ T5071] ------------[ cut here ]------------ [ 72.068832][ T5071] UBSAN: shift-out-of-bounds in fs/minix/inode.c:381:57 [ 72.076277][ T5071] shift exponent 13056 is too large for 64-bit type 'unsigned long' [ 72.084387][ T5071] CPU: 1 PID: 5071 Comm: syz-executor245 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 72.094470][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 72.104522][ T5071] Call Trace: [ 72.107798][ T5071] [ 72.110730][ T5071] dump_stack_lvl+0x241/0x360 [ 72.115464][ T5071] ? __pfx_dump_stack_lvl+0x10/0x10 [ 72.120672][ T5071] ? __pfx__printk+0x10/0x10 [ 72.125272][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.130126][ T5071] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 72.136134][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.142770][ T5071] __ubsan_handle_shift_out_of_bounds+0x3c8/0x420 [ 72.149208][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.154071][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.158925][ T5071] minix_statfs+0x36d/0x380 [ 72.163429][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.168287][ T5071] user_statfs+0x218/0x460 [ 72.172712][ T5071] ? __pfx_user_statfs+0x10/0x10 [ 72.177654][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.182628][ T5071] __x64_sys_statfs+0xe8/0x1a0 [ 72.187397][ T5071] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 72.193731][ T5071] ? __pfx___x64_sys_statfs+0x10/0x10 [ 72.199106][ T5071] ? _raw_spin_unlock_irq+0x23/0x50 [ 72.204335][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.209191][ T5071] ? lockdep_hardirqs_on+0x99/0x150 [ 72.214397][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.219248][ T5071] ? _raw_spin_unlock_irq+0x2e/0x50 [ 72.224457][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.229321][ T5071] ? ptrace_notify+0x279/0x380 [ 72.234111][ T5071] ? do_syscall_64+0x10a/0x240 [ 72.238887][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.243738][ T5071] ? syscall_trace_enter+0x5f/0x150 [ 72.249222][ T5071] do_syscall_64+0xfd/0x240 [ 72.253735][ T5071] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 72.259730][ T5071] RIP: 0033:0x7fbbd4eac639 [ 72.264140][ T5071] 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 [ 72.283743][ T5071] RSP: 002b:00007ffd0d1aacc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000089 [ 72.292159][ T5071] RAX: ffffffffffffffda RBX: 00007ffd0d1aaea8 RCX: 00007fbbd4eac639 [ 72.300129][ T5071] RDX: 0000000000000073 RSI: 0000000000000000 RDI: 00000000200000c0 [ 72.308116][ T5071] RBP: 00007fbbd4f1f610 R08: 0000000000000000 R09: 0000000000000000 [ 72.316083][ T5071] R10: 0000000000000185 R11: 0000000000000246 R12: 0000000000000001 [ 72.324052][ T5071] R13: 00007ffd0d1aae98 R14: 0000000000000001 R15: 0000000000000001 [ 72.332033][ T5071] [ 72.335281][ T5071] ---[ end trace ]--- [ 72.339295][ T5071] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 72.346503][ T5071] CPU: 1 PID: 5071 Comm: syz-executor245 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 72.356574][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 72.366630][ T5071] Call Trace: [ 72.369916][ T5071] [ 72.372848][ T5071] dump_stack_lvl+0x241/0x360 [ 72.377582][ T5071] ? __pfx_dump_stack_lvl+0x10/0x10 [ 72.382811][ T5071] ? __pfx__printk+0x10/0x10 [ 72.387422][ T5071] ? vprintk_emit+0x631/0x770 [ 72.392121][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.396985][ T5071] ? vscnprintf+0x5d/0x90 [ 72.401416][ T5071] panic+0x349/0x860 [ 72.405355][ T5071] ? check_panic_on_warn+0x21/0xb0 [ 72.410490][ T5071] ? __pfx_panic+0x10/0x10 [ 72.414925][ T5071] ? _printk+0xd5/0x120 [ 72.419106][ T5071] ? __pfx__printk+0x10/0x10 [ 72.423716][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.428580][ T5071] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 72.434571][ T5071] check_panic_on_warn+0x86/0xb0 [ 72.439528][ T5071] __ubsan_handle_shift_out_of_bounds+0x3e7/0x420 [ 72.446061][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.450934][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.455889][ T5071] minix_statfs+0x36d/0x380 [ 72.460401][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.465268][ T5071] user_statfs+0x218/0x460 [ 72.469706][ T5071] ? __pfx_user_statfs+0x10/0x10 [ 72.474649][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.479525][ T5071] __x64_sys_statfs+0xe8/0x1a0 [ 72.484331][ T5071] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 72.490672][ T5071] ? __pfx___x64_sys_statfs+0x10/0x10 [ 72.496058][ T5071] ? _raw_spin_unlock_irq+0x23/0x50 [ 72.501278][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.506147][ T5071] ? lockdep_hardirqs_on+0x99/0x150 [ 72.511363][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.516229][ T5071] ? _raw_spin_unlock_irq+0x2e/0x50 [ 72.521446][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.526311][ T5071] ? ptrace_notify+0x279/0x380 [ 72.531117][ T5071] ? do_syscall_64+0x10a/0x240 [ 72.535919][ T5071] ? srso_return_thunk+0x5/0x5f [ 72.540873][ T5071] ? syscall_trace_enter+0x5f/0x150 [ 72.546095][ T5071] do_syscall_64+0xfd/0x240 [ 72.550618][ T5071] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 72.556527][ T5071] RIP: 0033:0x7fbbd4eac639 [ 72.560972][ T5071] 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 [ 72.580585][ T5071] RSP: 002b:00007ffd0d1aacc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000089 [ 72.589012][ T5071] RAX: ffffffffffffffda RBX: 00007ffd0d1aaea8 RCX: 00007fbbd4eac639 [ 72.596998][ T5071] RDX: 0000000000000073 RSI: 0000000000000000 RDI: 00000000200000c0 [ 72.604974][ T5071] RBP: 00007fbbd4f1f610 R08: 0000000000000000 R09: 0000000000000000 [ 72.612948][ T5071] R10: 0000000000000185 R11: 0000000000000246 R12: 0000000000000001 [ 72.620922][ T5071] R13: 00007ffd0d1aae98 R14: 0000000000000001 R15: 0000000000000001 [ 72.628914][ T5071] [ 72.632144][ T5071] Kernel Offset: disabled [ 72.636496][ T5071] Rebooting in 86400 seconds..