./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4140758638
<...>
Warning: Permanently added '10.128.0.116' (ED25519) to the list of known hosts.
execve("./syz-executor4140758638", ["./syz-executor4140758638"], 0x7ffe7894f710 /* 10 vars */) = 0
brk(NULL) = 0x55558171f000
brk(0x55558171fd00) = 0x55558171fd00
arch_prctl(ARCH_SET_FS, 0x55558171f380) = 0
set_tid_address(0x55558171f650) = 5218
set_robust_list(0x55558171f660, 24) = 0
rseq(0x55558171fca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4140758638", 4096) = 28
getrandom("\xb4\x76\xb0\x14\x48\x90\xc1\x36", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55558171fd00
brk(0x555581740d00) = 0x555581740d00
brk(0x555581741000) = 0x555581741000
mprotect(0x7fdc4f186000, 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
executing program
write(1, "executing program\n", 18) = 18
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdc46c00000
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(0x7fdc46c00000, 138412032) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
close(4) = 0
mkdir("./bus", 0777) = 0
mount("/dev/loop0", "./bus", "jfs", 0, "") = 0
openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[ 57.059733][ T5218] loop0: detected capacity change from 0 to 32768
chdir("./bus") = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
openat(AT_FDCWD, "memory.swap.current", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
openat(AT_FDCWD, ".", O_RDONLY) = 5
[ 57.125756][ T5218] ------------[ cut here ]------------
[ 57.131630][ T5218] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dtree.c:3089:20
[ 57.139439][ T5218] index -1 is out of range for type 'struct dtslot[128]'
[ 57.147667][ T5218] CPU: 0 UID: 0 PID: 5218 Comm: syz-executor414 Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
[ 57.158800][ T5218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 57.168850][ T5218] Call Trace:
[ 57.172124][ T5218]
[ 57.175090][ T5218] dump_stack_lvl+0x241/0x360
[ 57.179784][ T5218] ? __pfx_dump_stack_lvl+0x10/0x10
[ 57.184969][ T5218] ? __pfx__printk+0x10/0x10
[ 57.189550][ T5218] ? lockdep_unlock+0x16a/0x300
[ 57.194398][ T5218] __ubsan_handle_out_of_bounds+0x121/0x150
[ 57.200289][ T5218] dtReadFirst+0x612/0xbe0
[ 57.204700][ T5218] jfs_readdir+0x817/0x4660
[ 57.209226][ T5218] ? mark_lock+0x9a/0x360
[ 57.213554][ T5218] ? __pfx_jfs_readdir+0x10/0x10
[ 57.218479][ T5218] ? __pfx_lock_acquire+0x10/0x10
[ 57.223501][ T5218] ? down_write+0x18c/0x220
[ 57.227991][ T5218] ? __pfx_down_write+0x10/0x10
[ 57.232826][ T5218] ? __pfx___mutex_lock+0x10/0x10
[ 57.237836][ T5218] ? __pfx_jfs_readdir+0x10/0x10
[ 57.242759][ T5218] wrap_directory_iterator+0x91/0xd0
[ 57.248031][ T5218] iterate_dir+0x571/0x800
[ 57.252443][ T5218] __se_sys_getdents64+0x1d3/0x4a0
[ 57.257580][ T5218] ? _raw_spin_unlock_irq+0x2e/0x50
[ 57.262772][ T5218] ? __pfx___se_sys_getdents64+0x10/0x10
[ 57.268401][ T5218] ? __pfx_filldir64+0x10/0x10
[ 57.273151][ T5218] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 57.279464][ T5218] ? do_syscall_64+0x100/0x230
[ 57.284220][ T5218] do_syscall_64+0xf3/0x230
[ 57.288710][ T5218] ? clear_bhb_loop+0x35/0x90
[ 57.293391][ T5218] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 57.299281][ T5218] RIP: 0033:0x7fdc4f10d679
[ 57.303695][ T5218] 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
[ 57.323391][ T5218] RSP: 002b:00007fff955d1758 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
[ 57.331817][ T5218] RAX: ffffffffffffffda RBX: 00007fff955d1928 RCX: 00007fdc4f10d679
[ 57.339784][ T5218] RDX: 0000000000001000 RSI: 0000000020000f80 RDI: 0000000000000005
[ 57.347757][ T5218] RBP: 00007fdc4f186610 R08: 0000000000000000 R09: 00007fff955d1928
[ 57.355715][ T5218] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 57.363681][ T5218] R13: 00007fff955d1918 R14: 0000000000000001 R15: 0000000000000001
[ 57.371650][ T5218]
[ 57.375135][ T5218] ---[ end trace ]---
[ 57.379153][ T5218] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 57.386346][ T5218] CPU: 0 UID: 0 PID: 5218 Comm: syz-executor414 Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
[ 57.397442][ T5218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 57.407486][ T5218] Call Trace:
[ 57.410756][ T5218]
[ 57.413677][ T5218] dump_stack_lvl+0x241/0x360
[ 57.418351][ T5218] ? __pfx_dump_stack_lvl+0x10/0x10
[ 57.423540][ T5218] ? __pfx__printk+0x10/0x10
[ 57.428120][ T5218] ? lockdep_hardirqs_on+0x99/0x150
[ 57.433310][ T5218] ? vscnprintf+0x5d/0x90
[ 57.437634][ T5218] panic+0x349/0x880
[ 57.441524][ T5218] ? check_panic_on_warn+0x21/0xb0
[ 57.446635][ T5218] ? __pfx_panic+0x10/0x10
[ 57.451039][ T5218] ? _printk+0xd5/0x120
[ 57.455193][ T5218] ? __pfx__printk+0x10/0x10
[ 57.459864][ T5218] check_panic_on_warn+0x86/0xb0
[ 57.464793][ T5218] __ubsan_handle_out_of_bounds+0x141/0x150
[ 57.470684][ T5218] dtReadFirst+0x612/0xbe0
[ 57.475103][ T5218] jfs_readdir+0x817/0x4660
[ 57.479597][ T5218] ? mark_lock+0x9a/0x360
[ 57.483933][ T5218] ? __pfx_jfs_readdir+0x10/0x10
[ 57.488868][ T5218] ? __pfx_lock_acquire+0x10/0x10
[ 57.493899][ T5218] ? down_write+0x18c/0x220
[ 57.498397][ T5218] ? __pfx_down_write+0x10/0x10
[ 57.503239][ T5218] ? __pfx___mutex_lock+0x10/0x10
[ 57.508259][ T5218] ? __pfx_jfs_readdir+0x10/0x10
[ 57.513282][ T5218] wrap_directory_iterator+0x91/0xd0
[ 57.518562][ T5218] iterate_dir+0x571/0x800
[ 57.522981][ T5218] __se_sys_getdents64+0x1d3/0x4a0
[ 57.528092][ T5218] ? _raw_spin_unlock_irq+0x2e/0x50
[ 57.533291][ T5218] ? __pfx___se_sys_getdents64+0x10/0x10
[ 57.538929][ T5218] ? __pfx_filldir64+0x10/0x10
[ 57.543685][ T5218] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 57.550007][ T5218] ? do_syscall_64+0x100/0x230
[ 57.554767][ T5218] do_syscall_64+0xf3/0x230
[ 57.559352][ T5218] ? clear_bhb_loop+0x35/0x90
[ 57.564021][ T5218] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 57.569910][ T5218] RIP: 0033:0x7fdc4f10d679
[ 57.574316][ T5218] 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
[ 57.593925][ T5218] RSP: 002b:00007fff955d1758 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
[ 57.602335][ T5218] RAX: ffffffffffffffda RBX: 00007fff955d1928 RCX: 00007fdc4f10d679
[ 57.610314][ T5218] RDX: 0000000000001000 RSI: 0000000020000f80 RDI: 0000000000000005
[ 57.618272][ T5218] RBP: 00007fdc4f186610 R08: 0000000000000000 R09: 00007fff955d1928
[ 57.626237][ T5218] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 57.634199][ T5218] R13: 00007fff955d1918 R14: 0000000000000001 R15: 0000000000000001
[ 57.642179][ T5218]
[ 57.645505][ T5218] Kernel Offset: disabled
[ 57.649869][ T5218] Rebooting in 86400 seconds..