./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1012586069
<...>
Warning: Permanently added '10.128.1.74' (ED25519) to the list of known hosts.
execve("./syz-executor1012586069", ["./syz-executor1012586069"], 0x7ffc85721f60 /* 10 vars */) = 0
brk(NULL) = 0x555555576000
brk(0x555555576d00) = 0x555555576d00
arch_prctl(ARCH_SET_FS, 0x555555576380) = 0
set_tid_address(0x555555576650) = 5058
set_robust_list(0x555555576660, 24) = 0
rseq(0x555555576ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1012586069", 4096) = 28
getrandom("\x19\x57\x40\xca\x1e\x4d\xae\x44", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555555576d00
brk(0x555555597d00) = 0x555555597d00
brk(0x555555598000) = 0x555555598000
mprotect(0x7f9b0ce18000, 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) = 0x7f9b0495e000
write(3, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\x42\x46\x53\x31\xbe\x84\x31\x7b\x00\x00\x10\x00\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xdd\x12\x10\x31\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
munmap(0x7f9b0495e000, 138412032) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
mkdir("./file0", 0777) = 0
[ 56.677533][ T5058] loop0: detected capacity change from 0 to 128
[ 56.699699][ T5058] ================================================================================
[ 56.709162][ T5058] UBSAN: shift-out-of-bounds in fs/befs/super.c:96:9
[ 56.715892][ T5058] shift exponent 3229888891 is too large for 32-bit type 'int'
[ 56.723438][ T5058] CPU: 1 PID: 5058 Comm: syz-executor101 Not tainted 6.7.0-rc5-syzkaller-00030-geaadbbaaff74 #0
[ 56.733918][ T5058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
[ 56.743965][ T5058] Call Trace:
[ 56.747235][ T5058]
[ 56.750172][ T5058] dump_stack_lvl+0x1e7/0x2d0
[ 56.754872][ T5058] ? nf_tcp_handle_invalid+0x650/0x650
[ 56.760595][ T5058] ? panic+0x850/0x850
[ 56.764660][ T5058] __ubsan_handle_shift_out_of_bounds+0x3c3/0x420
[ 56.771073][ T5058] befs_check_sb+0x481/0x4b0
[ 56.775658][ T5058] befs_fill_super+0x9f9/0xfe0
[ 56.780430][ T5058] ? befs_mount+0x40/0x40
[ 56.784739][ T5058] ? __down_write_common+0x161/0x200
[ 56.790024][ T5058] ? clear_nonspinnable+0x60/0x60
[ 56.795079][ T5058] mount_bdev+0x237/0x300
[ 56.799436][ T5058] ? befs_mount+0x40/0x40
[ 56.803760][ T5058] ? get_tree_bdev+0x5b0/0x5b0
[ 56.808536][ T5058] ? vfs_parse_fs_string+0x190/0x230
[ 56.813838][ T5058] ? vfs_parse_fs_param+0x410/0x410
[ 56.819038][ T5058] ? cap_capable+0x1b4/0x240
[ 56.823621][ T5058] legacy_get_tree+0xef/0x190
[ 56.828537][ T5058] ? befs_bread_iaddr+0x250/0x250
[ 56.833547][ T5058] vfs_get_tree+0x8c/0x2a0
[ 56.837949][ T5058] do_new_mount+0x28f/0xae0
[ 56.842438][ T5058] ? do_move_mount_old+0x170/0x170
[ 56.847540][ T5058] __se_sys_mount+0x2d9/0x3c0
[ 56.852204][ T5058] ? __x64_sys_mount+0xc0/0xc0
[ 56.856992][ T5058] ? syscall_enter_from_user_mode+0xa4/0x2d0
[ 56.862997][ T5058] ? syscall_enter_from_user_mode+0xf5/0x2d0
[ 56.869013][ T5058] ? __x64_sys_mount+0x20/0xc0
[ 56.873774][ T5058] do_syscall_64+0x45/0x110
[ 56.878302][ T5058] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 56.884188][ T5058] RIP: 0033:0x7f9b0cd9c8ba
[ 56.888677][ T5058] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 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
[ 56.908287][ T5058] RSP: 002b:00007ffde1a468c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 56.917308][ T5058] RAX: ffffffffffffffda RBX: 00007ffde1a468d0 RCX: 00007f9b0cd9c8ba
[ 56.925268][ T5058] RDX: 0000000020000100 RSI: 0000000020009e40 RDI: 00007ffde1a468d0
[ 56.933235][ T5058] RBP: 0000000000000004 R08: 00007ffde1a46910 R09: 0000000000009e1f
[ 56.941193][ T5058] R10: 0000000003008001 R11: 0000000000000282 R12: 00007ffde1a46910
[ 56.949151][ T5058] R13: 0000000000000003 R14: 0000000000010000 R15: 0000000000000001
[ 56.957122][ T5058]
[ 56.960982][ T5058] ================================================================================
[ 56.970397][ T5058] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 56.977576][ T5058] CPU: 1 PID: 5058 Comm: syz-executor101 Not tainted 6.7.0-rc5-syzkaller-00030-geaadbbaaff74 #0
[ 56.987970][ T5058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
[ 56.998010][ T5058] Call Trace:
[ 57.001294][ T5058]
[ 57.004211][ T5058] dump_stack_lvl+0x1e7/0x2d0
[ 57.008884][ T5058] ? nf_tcp_handle_invalid+0x650/0x650
[ 57.014330][ T5058] ? panic+0x850/0x850
[ 57.018383][ T5058] ? vprintk_emit+0x607/0x720
[ 57.023054][ T5058] ? vscnprintf+0x5d/0x80
[ 57.027372][ T5058] panic+0x349/0x850
[ 57.031255][ T5058] ? check_panic_on_warn+0x21/0xa0
[ 57.036351][ T5058] ? __memcpy_flushcache+0x2b0/0x2b0
[ 57.041636][ T5058] ? _printk+0xd5/0x120
[ 57.045781][ T5058] ? panic+0x850/0x850
[ 57.049840][ T5058] check_panic_on_warn+0x82/0xa0
[ 57.054761][ T5058] __ubsan_handle_shift_out_of_bounds+0x3e2/0x420
[ 57.061172][ T5058] befs_check_sb+0x481/0x4b0
[ 57.065775][ T5058] befs_fill_super+0x9f9/0xfe0
[ 57.070528][ T5058] ? befs_mount+0x40/0x40
[ 57.074844][ T5058] ? __down_write_common+0x161/0x200
[ 57.080204][ T5058] ? clear_nonspinnable+0x60/0x60
[ 57.085219][ T5058] mount_bdev+0x237/0x300
[ 57.089543][ T5058] ? befs_mount+0x40/0x40
[ 57.093855][ T5058] ? get_tree_bdev+0x5b0/0x5b0
[ 57.098603][ T5058] ? vfs_parse_fs_string+0x190/0x230
[ 57.103988][ T5058] ? vfs_parse_fs_param+0x410/0x410
[ 57.109184][ T5058] ? cap_capable+0x1b4/0x240
[ 57.113763][ T5058] legacy_get_tree+0xef/0x190
[ 57.118517][ T5058] ? befs_bread_iaddr+0x250/0x250
[ 57.123622][ T5058] vfs_get_tree+0x8c/0x2a0
[ 57.128031][ T5058] do_new_mount+0x28f/0xae0
[ 57.132611][ T5058] ? do_move_mount_old+0x170/0x170
[ 57.137710][ T5058] __se_sys_mount+0x2d9/0x3c0
[ 57.142375][ T5058] ? __x64_sys_mount+0xc0/0xc0
[ 57.148686][ T5058] ? syscall_enter_from_user_mode+0xa4/0x2d0
[ 57.154653][ T5058] ? syscall_enter_from_user_mode+0xf5/0x2d0
[ 57.160614][ T5058] ? __x64_sys_mount+0x20/0xc0
[ 57.165361][ T5058] do_syscall_64+0x45/0x110
[ 57.169850][ T5058] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 57.175739][ T5058] RIP: 0033:0x7f9b0cd9c8ba
[ 57.180155][ T5058] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 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
[ 57.199749][ T5058] RSP: 002b:00007ffde1a468c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 57.208151][ T5058] RAX: ffffffffffffffda RBX: 00007ffde1a468d0 RCX: 00007f9b0cd9c8ba
[ 57.216455][ T5058] RDX: 0000000020000100 RSI: 0000000020009e40 RDI: 00007ffde1a468d0
[ 57.224422][ T5058] RBP: 0000000000000004 R08: 00007ffde1a46910 R09: 0000000000009e1f
[ 57.232378][ T5058] R10: 0000000003008001 R11: 0000000000000282 R12: 00007ffde1a46910
[ 57.240344][ T5058] R13: 0000000000000003 R14: 0000000000010000 R15: 0000000000000001
[ 57.248309][ T5058]
[ 57.251551][ T5058] Kernel Offset: disabled
[ 57.255934][ T5058] Rebooting in 86400 seconds..