./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1231809531 <...> Warning: Permanently added '10.128.0.177' (ECDSA) to the list of known hosts. execve("./syz-executor1231809531", ["./syz-executor1231809531"], 0x7ffff8c5ce40 /* 10 vars */) = 0 brk(NULL) = 0x555555bf1000 brk(0x555555bf1c40) = 0x555555bf1c40 arch_prctl(ARCH_SET_FS, 0x555555bf1300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1231809531", 4096) = 28 brk(0x555555c12c40) = 0x555555c12c40 brk(0x555555c13000) = 0x555555c13000 mprotect(0x7fd10667f000, 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 ftruncate(3, 12288) = 0 pwrite64(3, "\x40\x00\x20\x06\x01\x00\x01\x00\x06\x00\x22\x00\x00\x1c\x08\x10\x8f\x13", 18, 1024) = 18 pwrite64(3, "\xff\x00\x00\x00\x00\x00\x00\x00\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 2062, 2048) = 2062 pwrite64(3, NULL, 0, 6144) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 mkdir("./file0", 0777) = 0 mount("/dev/loop0", "./file0", "minix", 0, "") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 close(3) = 0 [ 51.145642][ T3607] loop0: detected capacity change from 0 to 24 [ 51.157803][ T3607] loop0: unable to read partition table [ 51.163738][ T3607] loop0: partition table beyond EOD, truncated [ 51.173176][ T3607] MINIX-fs: mounting unchecked file system, running fsck is recommended [ 51.194265][ T3607] ================================================================================ [ 51.203844][ T3607] UBSAN: shift-out-of-bounds in fs/minix/bitmap.c:103:3 [ 51.210895][ T3607] shift exponent 34 is too large for 32-bit type 'unsigned int' [ 51.218667][ T3607] CPU: 0 PID: 3607 Comm: syz-executor123 Not tainted 5.19.0-rc4-next-20220628-syzkaller #0 [ 51.228662][ T3607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 51.238742][ T3607] Call Trace: [ 51.242071][ T3607] [ 51.245207][ T3607] dump_stack_lvl+0xcd/0x134 [ 51.249866][ T3607] ubsan_epilogue+0xb/0x50 [ 51.254302][ T3607] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 51.261072][ T3607] ? slab_free_freelist_hook+0x8b/0x1c0 [ 51.266634][ T3607] ? count_free+0x13f/0x170 [ 51.271171][ T3607] minix_count_free_blocks.cold+0x16/0x1b [ 51.276910][ T3607] minix_statfs+0x22a/0x490 [ 51.281428][ T3607] statfs_by_dentry+0x133/0x210 [ 51.286292][ T3607] user_statfs+0xa9/0x160 [ 51.290647][ T3607] ? __do_sys_ustat+0x1c0/0x1c0 [ 51.295529][ T3607] ? find_held_lock+0x2d/0x110 [ 51.300310][ T3607] __do_sys_statfs+0x7a/0xf0 [ 51.304915][ T3607] ? user_statfs+0x160/0x160 [ 51.309508][ T3607] ? _raw_spin_unlock_irq+0x2a/0x40 [ 51.314715][ T3607] ? ptrace_notify+0xfa/0x140 [ 51.319398][ T3607] ? syscall_trace_enter.constprop.0+0xb0/0x240 [ 51.325642][ T3607] do_syscall_64+0x35/0xb0 [ 51.330078][ T3607] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 51.335970][ T3607] RIP: 0033:0x7fd106612dc9 [ 51.340386][ T3607] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 51.360182][ T3607] RSP: 002b:00007ffd88350828 EFLAGS: 00000246 ORIG_RAX: 0000000000000089 [ 51.368608][ T3607] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007fd106612dc9 [ 51.376574][ T3607] RDX: 00007fd1065d12f3 RSI: 0000000000000000 RDI: 0000000020000140 [ 51.384558][ T3607] RBP: 00007fd1065d25c0 R08: 0000000000000000 R09: 0000000000000000 [ 51.392524][ T3607] R10: 00007ffd883506f0 R11: 0000000000000246 R12: 00007fd1065d2650 [ 51.400500][ T3607] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 51.408492][ T3607] [ 51.411915][ T3607] ================================================================================ [ 51.421324][ T3607] Kernel panic - not syncing: panic_on_warn set ... [ 51.427926][ T3607] CPU: 0 PID: 3607 Comm: syz-executor123 Not tainted 5.19.0-rc4-next-20220628-syzkaller #0 [ 51.437928][ T3607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 51.448007][ T3607] Call Trace: [ 51.451323][ T3607] [ 51.454273][ T3607] dump_stack_lvl+0xcd/0x134 [ 51.459171][ T3607] panic+0x2d7/0x636 [ 51.463098][ T3607] ? panic_print_sys_info.part.0+0x10b/0x10b [ 51.469110][ T3607] ? ubsan_epilogue+0x3e/0x50 [ 51.473809][ T3607] ubsan_epilogue+0x4a/0x50 [ 51.478370][ T3607] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 51.485273][ T3607] ? slab_free_freelist_hook+0x8b/0x1c0 [ 51.490866][ T3607] ? count_free+0x13f/0x170 [ 51.495386][ T3607] minix_count_free_blocks.cold+0x16/0x1b [ 51.501141][ T3607] minix_statfs+0x22a/0x490 [ 51.505687][ T3607] statfs_by_dentry+0x133/0x210 [ 51.510575][ T3607] user_statfs+0xa9/0x160 [ 51.514926][ T3607] ? __do_sys_ustat+0x1c0/0x1c0 [ 51.519785][ T3607] ? find_held_lock+0x2d/0x110 [ 51.524565][ T3607] __do_sys_statfs+0x7a/0xf0 [ 51.529164][ T3607] ? user_statfs+0x160/0x160 [ 51.533769][ T3607] ? _raw_spin_unlock_irq+0x2a/0x40 [ 51.538978][ T3607] ? ptrace_notify+0xfa/0x140 [ 51.543670][ T3607] ? syscall_trace_enter.constprop.0+0xb0/0x240 [ 51.549939][ T3607] do_syscall_64+0x35/0xb0 [ 51.554363][ T3607] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 51.560268][ T3607] RIP: 0033:0x7fd106612dc9 [ 51.564689][ T3607] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 51.584308][ T3607] RSP: 002b:00007ffd88350828 EFLAGS: 00000246 ORIG_RAX: 0000000000000089 [ 51.592730][ T3607] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007fd106612dc9 [ 51.600703][ T3607] RDX: 00007fd1065d12f3 RSI: 0000000000000000 RDI: 0000000020000140 [ 51.608680][ T3607] RBP: 00007fd1065d25c0 R08: 0000000000000000 R09: 0000000000000000 [ 51.616840][ T3607] R10: 00007ffd883506f0 R11: 0000000000000246 R12: 00007fd1065d2650 [ 51.624811][ T3607] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 51.632797][ T3607] [ 51.636170][ T3607] Kernel Offset: disabled [ 51.640579][ T3607] Rebooting in 86400 seconds..