./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1584905282
<...>
Warning: Permanently added '10.128.0.79' (ED25519) to the list of known hosts.
execve("./syz-executor1584905282", ["./syz-executor1584905282"], 0x7ffe396e17a0 /* 10 vars */) = 0
brk(NULL) = 0x555564671000
brk(0x555564671d00) = 0x555564671d00
arch_prctl(ARCH_SET_FS, 0x555564671380) = 0
set_tid_address(0x555564671650) = 5824
set_robust_list(0x555564671660, 24) = 0
rseq(0x555564671ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1584905282", 4096) = 28
getrandom("\x1f\x0f\x5e\x7b\x3e\x3d\x00\x46", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555564671d00
brk(0x555564692d00) = 0x555564692d00
brk(0x555564693000) = 0x555564693000
mprotect(0x7f035becc000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
write(1, "executing program\n", 18executing program
) = 18
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0353a00000
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"..., 16777216) = 16777216
munmap(0x7f0353a00000, 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", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "errors=continue,uid=0x000000000000ee00,discard=0x0000000000000003,grpquota,iocharset=macromanian,noq"...) = 0
[ 79.225549][ T5824] loop0: detected capacity change from 0 to 32768
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)
[ 79.335141][ T5824] ------------[ cut here ]------------
[ 79.341140][ T5824] UBSAN: shift-out-of-bounds in fs/jfs/super.c:140:14
[ 79.347962][ T5824] shift exponent 115 is too large for 64-bit type 's64' (aka 'long long')
[ 79.357013][ T5824] CPU: 0 UID: 0 PID: 5824 Comm: syz-executor158 Not tainted 6.16.0-rc1-syzkaller #0 PREEMPT(full)
[ 79.357028][ T5824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 79.357037][ T5824] Call Trace:
[ 79.357044][ T5824]
[ 79.357049][ T5824] dump_stack_lvl+0x189/0x250
[ 79.357090][ T5824] ? __pfx_smack_log+0x10/0x10
[ 79.357103][ T5824] ? __pfx_dump_stack_lvl+0x10/0x10
[ 79.357117][ T5824] ? __pfx__printk+0x10/0x10
[ 79.357134][ T5824] ubsan_epilogue+0xa/0x40
[ 79.357145][ T5824] __ubsan_handle_shift_out_of_bounds+0x386/0x410
[ 79.357171][ T5824] jfs_statfs+0x4d1/0x550
[ 79.357188][ T5824] vfs_statfs+0x144/0x2d0
[ 79.357201][ T5824] ovl_fill_super+0x9d9/0x35d0
[ 79.357271][ T5824] ? __pfx_ovl_fill_super+0x10/0x10
[ 79.357291][ T5824] ? __raw_spin_lock_init+0x45/0x100
[ 79.357303][ T5824] ? __init_swait_queue_head+0xa9/0x150
[ 79.357316][ T5824] ? shrinker_register+0x16b/0x230
[ 79.357332][ T5824] ? sget_fc+0x962/0xa40
[ 79.357343][ T5824] ? __pfx_set_anon_super_fc+0x10/0x10
[ 79.357353][ T5824] ? __pfx_ovl_fill_super+0x10/0x10
[ 79.357367][ T5824] get_tree_nodev+0xb8/0x150
[ 79.357379][ T5824] vfs_get_tree+0x92/0x2b0
[ 79.357391][ T5824] do_new_mount+0x24a/0xa40
[ 79.357408][ T5824] __se_sys_mount+0x317/0x410
[ 79.357424][ T5824] ? __pfx___se_sys_mount+0x10/0x10
[ 79.357435][ T5824] ? rcu_is_watching+0x15/0xb0
[ 79.357453][ T5824] ? __x64_sys_mount+0x20/0xc0
[ 79.357468][ T5824] do_syscall_64+0xfa/0x3b0
[ 79.357481][ T5824] ? lockdep_hardirqs_on+0x9c/0x150
[ 79.357494][ T5824] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.357504][ T5824] ? clear_bhb_loop+0x60/0xb0
[ 79.357516][ T5824] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.357524][ T5824] RIP: 0033:0x7f035be53a39
[ 79.357538][ T5824] 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
[ 79.357548][ T5824] RSP: 002b:00007fff8ebfc168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 79.357559][ T5824] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f035be53a39
[ 79.357566][ T5824] RDX: 0000200000000000 RSI: 0000200000000140 RDI: 0000000000000000
[ 79.357572][ T5824] RBP: 00007f035be9c05e R08: 00002000000003c0 R09: 0000000000000000
[ 79.357578][ T5824] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
[ 79.357584][ T5824] R13: 65756e69746e6f63 R14: 633d73726f727265 R15: 0000000000000001
[ 79.357599][ T5824]
[ 79.357603][ T5824] ---[ end trace ]---
[ 79.605149][ T5824] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 79.612340][ T5824] CPU: 0 UID: 0 PID: 5824 Comm: syz-executor158 Not tainted 6.16.0-rc1-syzkaller #0 PREEMPT(full)
[ 79.623220][ T5824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 79.633318][ T5824] Call Trace:
[ 79.636771][ T5824]
[ 79.639688][ T5824] dump_stack_lvl+0x99/0x250
[ 79.644379][ T5824] ? __asan_memcpy+0x40/0x70
[ 79.648956][ T5824] ? __pfx_dump_stack_lvl+0x10/0x10
[ 79.654258][ T5824] ? __pfx__printk+0x10/0x10
[ 79.658836][ T5824] panic+0x2db/0x790
[ 79.662726][ T5824] ? __pfx_panic+0x10/0x10
[ 79.667235][ T5824] ? _printk+0xcf/0x120
[ 79.671393][ T5824] ? __pfx_smack_log+0x10/0x10
[ 79.676141][ T5824] ? __pfx__printk+0x10/0x10
[ 79.680717][ T5824] check_panic_on_warn+0x89/0xb0
[ 79.685641][ T5824] __ubsan_handle_shift_out_of_bounds+0x386/0x410
[ 79.692058][ T5824] jfs_statfs+0x4d1/0x550
[ 79.696430][ T5824] vfs_statfs+0x144/0x2d0
[ 79.700758][ T5824] ovl_fill_super+0x9d9/0x35d0
[ 79.705528][ T5824] ? __pfx_ovl_fill_super+0x10/0x10
[ 79.710723][ T5824] ? __raw_spin_lock_init+0x45/0x100
[ 79.716169][ T5824] ? __init_swait_queue_head+0xa9/0x150
[ 79.721694][ T5824] ? shrinker_register+0x16b/0x230
[ 79.726878][ T5824] ? sget_fc+0x962/0xa40
[ 79.731228][ T5824] ? __pfx_set_anon_super_fc+0x10/0x10
[ 79.736722][ T5824] ? __pfx_ovl_fill_super+0x10/0x10
[ 79.742095][ T5824] get_tree_nodev+0xb8/0x150
[ 79.746767][ T5824] vfs_get_tree+0x92/0x2b0
[ 79.751178][ T5824] do_new_mount+0x24a/0xa40
[ 79.755814][ T5824] __se_sys_mount+0x317/0x410
[ 79.760611][ T5824] ? __pfx___se_sys_mount+0x10/0x10
[ 79.765807][ T5824] ? rcu_is_watching+0x15/0xb0
[ 79.770561][ T5824] ? __x64_sys_mount+0x20/0xc0
[ 79.775329][ T5824] do_syscall_64+0xfa/0x3b0
[ 79.779840][ T5824] ? lockdep_hardirqs_on+0x9c/0x150
[ 79.785127][ T5824] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.791186][ T5824] ? clear_bhb_loop+0x60/0xb0
[ 79.795847][ T5824] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.801721][ T5824] RIP: 0033:0x7f035be53a39
[ 79.806127][ T5824] 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
[ 79.825818][ T5824] RSP: 002b:00007fff8ebfc168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 79.834217][ T5824] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f035be53a39
[ 79.842622][ T5824] RDX: 0000200000000000 RSI: 0000200000000140 RDI: 0000000000000000
[ 79.850599][ T5824] RBP: 00007f035be9c05e R08: 00002000000003c0 R09: 0000000000000000
[ 79.858584][ T5824] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
[ 79.866829][ T5824] R13: 65756e69746e6f63 R14: 633d73726f727265 R15: 0000000000000001
[ 79.874804][ T5824]
[ 79.878075][ T5824] Kernel Offset: disabled
[ 79.882446][ T5824] Rebooting in 86400 seconds..