./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor654259363
<...>
Warning: Permanently added '10.128.0.164' (ED25519) to the list of known hosts.
execve("./syz-executor654259363", ["./syz-executor654259363"], 0x7ffe5dfac440 /* 10 vars */) = 0
brk(NULL) = 0x55558e31b000
brk(0x55558e31bd00) = 0x55558e31bd00
arch_prctl(ARCH_SET_FS, 0x55558e31b380) = 0
set_tid_address(0x55558e31b650) = 5212
set_robust_list(0x55558e31b660, 24) = 0
rseq(0x55558e31bca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor654259363", 4096) = 27
getrandom("\xf2\x25\x60\xb0\xbc\x08\xa4\x8a", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55558e31bd00
brk(0x55558e33cd00) = 0x55558e33cd00
brk(0x55558e33d000) = 0x55558e33d000
mprotect(0x7fb8ebeb0000, 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
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5213 attached
, child_tidptr=0x55558e31b650) = 5213
[pid 5213] set_robust_list(0x55558e31b660, 24) = 0
[pid 5213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5213] setpgid(0, 0) = 0
[pid 5213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5213] write(3, "1000", 4) = 4
[pid 5213] close(3) = 0
[pid 5213] write(1, "executing program\n", 18executing program
) = 18
[pid 5213] memfd_create("syzkaller", 0) = 3
[pid 5213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb8e3800000
[pid 5213] 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
[pid 5213] munmap(0x7fb8e3800000, 138412032) = 0
[pid 5213] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5213] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5213] close(3) = 0
[pid 5213] close(4) = 0
[pid 5213] mkdir("./bus", 0777) = 0
[pid 5213] mount("/dev/loop0", "./bus", "jfs", MS_DIRSYNC, "") = 0
[pid 5213] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid 5213] chdir("./bus") = 0
[pid 5213] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5213] openat(AT_FDCWD, "memory.events.local", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 5213] openat(AT_FDCWD, ".", O_RDONLY) = 5
[ 60.400966][ T5213] loop0: detected capacity change from 0 to 32768
[ 60.454726][ T5213] ------------[ cut here ]------------
[ 60.460543][ T5213] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dtree.c:3089:20
[ 60.468536][ T5213] index -1 is out of range for type 'struct dtslot[128]'
[ 60.475888][ T5213] CPU: 0 UID: 0 PID: 5213 Comm: syz-executor654 Not tainted 6.11.0-rc2-syzkaller-00239-g34ac1e82e5a7 #0
[ 60.487007][ T5213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
[ 60.497158][ T5213] Call Trace:
[ 60.500432][ T5213]
[ 60.503440][ T5213] dump_stack_lvl+0x241/0x360
[ 60.508220][ T5213] ? __pfx_dump_stack_lvl+0x10/0x10
[ 60.513586][ T5213] ? __pfx__printk+0x10/0x10
[ 60.518626][ T5213] __ubsan_handle_out_of_bounds+0x121/0x150
[ 60.524541][ T5213] dtReadFirst+0x612/0xbe0
[ 60.529054][ T5213] jfs_readdir+0x81a/0x4660
[ 60.533547][ T5213] ? mark_lock+0x9a/0x350
[ 60.537936][ T5213] ? __pfx_jfs_readdir+0x10/0x10
[ 60.542870][ T5213] ? __pfx_lock_acquire+0x10/0x10
[ 60.547925][ T5213] ? down_write+0x18c/0x220
[ 60.552786][ T5213] ? __pfx_down_write+0x10/0x10
[ 60.557646][ T5213] ? __pfx___mutex_lock+0x10/0x10
[ 60.562696][ T5213] ? __pfx_jfs_readdir+0x10/0x10
[ 60.567640][ T5213] wrap_directory_iterator+0x94/0xe0
[ 60.572940][ T5213] iterate_dir+0x57a/0x810
[ 60.577362][ T5213] __se_sys_getdents64+0x20d/0x4f0
[ 60.582466][ T5213] ? _raw_spin_unlock_irq+0x2e/0x50
[ 60.587862][ T5213] ? __pfx___se_sys_getdents64+0x10/0x10
[ 60.593506][ T5213] ? __pfx_filldir64+0x10/0x10
[ 60.598263][ T5213] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 60.604610][ T5213] ? exc_page_fault+0x590/0x8c0
[ 60.609564][ T5213] do_syscall_64+0xf3/0x230
[ 60.614085][ T5213] ? clear_bhb_loop+0x35/0x90
[ 60.618917][ T5213] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 60.624828][ T5213] RIP: 0033:0x7fb8ebe37ad9
[ 60.629241][ T5213] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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
[ 60.648936][ T5213] RSP: 002b:00007fff64bceba8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
[ 60.657797][ T5213] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb8ebe37ad9
[ 60.665795][ T5213] RDX: 0000000000001000 RSI: 0000000020000f80 RDI: 0000000000000005
[ 60.673817][ T5213] RBP: 00007fb8ebeb05f0 R08: 000055558e31c4c0 R09: 000055558e31c4c0
[ 60.681829][ T5213] R10: 000055558e31c4c0 R11: 0000000000000246 R12: 00007fff64bcebd0
[ 60.689811][ T5213] R13: 00007fff64bcedf8 R14: 431bde82d7b634db R15: 00007fb8ebe8003b
[ 60.698393][ T5213]
[ 60.701583][ T5213] ---[ end trace ]---
[ 60.705639][ T5213] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 60.712851][ T5213] CPU: 0 UID: 0 PID: 5213 Comm: syz-executor654 Not tainted 6.11.0-rc2-syzkaller-00239-g34ac1e82e5a7 #0
[ 60.723962][ T5213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
[ 60.734016][ T5213] Call Trace:
[ 60.737293][ T5213]
[ 60.740230][ T5213] dump_stack_lvl+0x241/0x360
[ 60.744940][ T5213] ? __pfx_dump_stack_lvl+0x10/0x10
[ 60.750155][ T5213] ? __pfx__printk+0x10/0x10
[ 60.754746][ T5213] ? vprintk_emit+0x631/0x770
[ 60.759425][ T5213] ? vscnprintf+0x5d/0x90
[ 60.763764][ T5213] panic+0x349/0x860
[ 60.767669][ T5213] ? check_panic_on_warn+0x21/0xb0
[ 60.772772][ T5213] ? __pfx_panic+0x10/0x10
[ 60.777323][ T5213] ? _printk+0xd5/0x120
[ 60.781478][ T5213] ? __pfx__printk+0x10/0x10
[ 60.786070][ T5213] check_panic_on_warn+0x86/0xb0
[ 60.791210][ T5213] __ubsan_handle_out_of_bounds+0x141/0x150
[ 60.797213][ T5213] dtReadFirst+0x612/0xbe0
[ 60.801687][ T5213] jfs_readdir+0x81a/0x4660
[ 60.806206][ T5213] ? mark_lock+0x9a/0x350
[ 60.810552][ T5213] ? __pfx_jfs_readdir+0x10/0x10
[ 60.815487][ T5213] ? __pfx_lock_acquire+0x10/0x10
[ 60.820547][ T5213] ? down_write+0x18c/0x220
[ 60.825073][ T5213] ? __pfx_down_write+0x10/0x10
[ 60.829924][ T5213] ? __pfx___mutex_lock+0x10/0x10
[ 60.834974][ T5213] ? __pfx_jfs_readdir+0x10/0x10
[ 60.839928][ T5213] wrap_directory_iterator+0x94/0xe0
[ 60.845399][ T5213] iterate_dir+0x57a/0x810
[ 60.849897][ T5213] __se_sys_getdents64+0x20d/0x4f0
[ 60.855032][ T5213] ? _raw_spin_unlock_irq+0x2e/0x50
[ 60.860229][ T5213] ? __pfx___se_sys_getdents64+0x10/0x10
[ 60.865877][ T5213] ? __pfx_filldir64+0x10/0x10
[ 60.870634][ T5213] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 60.876966][ T5213] ? exc_page_fault+0x590/0x8c0
[ 60.881835][ T5213] do_syscall_64+0xf3/0x230
[ 60.886336][ T5213] ? clear_bhb_loop+0x35/0x90
[ 60.891005][ T5213] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 60.896887][ T5213] RIP: 0033:0x7fb8ebe37ad9
[ 60.901298][ T5213] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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
[ 60.921176][ T5213] RSP: 002b:00007fff64bceba8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
[ 60.929627][ T5213] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb8ebe37ad9
[ 60.937600][ T5213] RDX: 0000000000001000 RSI: 0000000020000f80 RDI: 0000000000000005
[ 60.945565][ T5213] RBP: 00007fb8ebeb05f0 R08: 000055558e31c4c0 R09: 000055558e31c4c0
[ 60.953613][ T5213] R10: 000055558e31c4c0 R11: 0000000000000246 R12: 00007fff64bcebd0
[ 60.961585][ T5213] R13: 00007fff64bcedf8 R14: 431bde82d7b634db R15: 00007fb8ebe8003b
[ 60.969657][ T5213]
[ 60.972922][ T5213] Kernel Offset: disabled
[ 60.977481][ T5213] Rebooting in 86400 seconds..