./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3740259009
<...>
Warning: Permanently added '10.128.1.162' (ED25519) to the list of known hosts.
execve("./syz-executor3740259009", ["./syz-executor3740259009"], 0x7fffc1e27e40 /* 10 vars */) = 0
brk(NULL) = 0x55557f9cc000
brk(0x55557f9ccd00) = 0x55557f9ccd00
arch_prctl(ARCH_SET_FS, 0x55557f9cc380) = 0
set_tid_address(0x55557f9cc650) = 5056
set_robust_list(0x55557f9cc660, 24) = 0
rseq(0x55557f9ccca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3740259009", 4096) = 28
getrandom("\xc0\x3c\xa0\x6a\xeb\x4c\xae\x16", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55557f9ccd00
brk(0x55557f9edd00) = 0x55557f9edd00
brk(0x55557f9ee000) = 0x55557f9ee000
mprotect(0x7efe30a91000, 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) = 0x7efe28400000
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(0x7efe28400000, 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", MS_NOSUID|MS_POSIXACL, "") = 0
openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
chdir("./bus") = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
openat(AT_FDCWD, ".", O_RDONLY) = 4
[ 56.820490][ T5056] loop0: detected capacity change from 0 to 32768
[ 56.879444][ T5056] ------------[ cut here ]------------
[ 56.885310][ T5056] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dtree.c:2892:30
[ 56.893193][ T5056] index -1 is out of range for type 'struct dtslot[128]'
[ 56.900471][ T5056] CPU: 0 PID: 5056 Comm: syz-executor374 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
[ 56.910555][ T5056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 56.920792][ T5056] Call Trace:
[ 56.924081][ T5056]
[ 56.927005][ T5056] dump_stack_lvl+0x241/0x360
[ 56.931719][ T5056] ? __pfx_dump_stack_lvl+0x10/0x10
[ 56.936912][ T5056] ? __pfx__printk+0x10/0x10
[ 56.941499][ T5056] ? alloc_pages_mpol+0x40c/0x650
[ 56.946525][ T5056] __ubsan_handle_out_of_bounds+0x121/0x150
[ 56.952407][ T5056] ? alloc_pages+0xef/0x170
[ 56.956897][ T5056] jfs_readdir+0x1cb4/0x4660
[ 56.961526][ T5056] ? __pfx_jfs_readdir+0x10/0x10
[ 56.966471][ T5056] ? __pfx___down_write_common+0x10/0x10
[ 56.972178][ T5056] ? __pfx___mutex_lock+0x10/0x10
[ 56.977187][ T5056] ? __pfx_jfs_readdir+0x10/0x10
[ 56.982195][ T5056] wrap_directory_iterator+0x94/0xe0
[ 56.987463][ T5056] iterate_dir+0x539/0x6f0
[ 56.991863][ T5056] __se_sys_getdents64+0x20d/0x4f0
[ 56.996981][ T5056] ? _raw_spin_unlock_irq+0x2e/0x50
[ 57.002204][ T5056] ? __pfx___se_sys_getdents64+0x10/0x10
[ 57.008091][ T5056] ? __pfx_filldir64+0x10/0x10
[ 57.013194][ T5056] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 57.019504][ T5056] ? do_syscall_64+0x10a/0x240
[ 57.024258][ T5056] ? syscall_trace_enter+0x5f/0x150
[ 57.029445][ T5056] do_syscall_64+0xfb/0x240
[ 57.033944][ T5056] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 57.039826][ T5056] RIP: 0033:0x7efe30a185f9
[ 57.044223][ T5056] 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
[ 57.063815][ T5056] RSP: 002b:00007fff82a8b648 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
[ 57.072303][ T5056] RAX: ffffffffffffffda RBX: 00007fff82a8b818 RCX: 00007efe30a185f9
[ 57.080271][ T5056] RDX: 000000000000102a RSI: 0000000020002280 RDI: 0000000000000004
[ 57.088227][ T5056] RBP: 00007efe30a91610 R08: 0000000000000000 R09: 00007fff82a8b818
[ 57.096440][ T5056] R10: 00000000000060cc R11: 0000000000000246 R12: 0000000000000001
[ 57.104410][ T5056] R13: 00007fff82a8b808 R14: 0000000000000001 R15: 0000000000000001
[ 57.112462][ T5056]
[ 57.115680][ T5056] ---[ end trace ]---
[ 57.119684][ T5056] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 57.126960][ T5056] CPU: 0 PID: 5056 Comm: syz-executor374 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
[ 57.137020][ T5056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 57.147082][ T5056] Call Trace:
[ 57.150353][ T5056]
[ 57.153275][ T5056] dump_stack_lvl+0x241/0x360
[ 57.158036][ T5056] ? __pfx_dump_stack_lvl+0x10/0x10
[ 57.163337][ T5056] ? __pfx__printk+0x10/0x10
[ 57.168007][ T5056] ? vprintk_emit+0x631/0x770
[ 57.172682][ T5056] ? vscnprintf+0x5d/0x90
[ 57.177002][ T5056] panic+0x349/0x860
[ 57.180893][ T5056] ? check_panic_on_warn+0x21/0xb0
[ 57.186012][ T5056] ? __pfx_panic+0x10/0x10
[ 57.190422][ T5056] ? _printk+0xd5/0x120
[ 57.194593][ T5056] ? __pfx__printk+0x10/0x10
[ 57.199205][ T5056] ? alloc_pages_mpol+0x40c/0x650
[ 57.204276][ T5056] check_panic_on_warn+0x86/0xb0
[ 57.209313][ T5056] __ubsan_handle_out_of_bounds+0x141/0x150
[ 57.215295][ T5056] ? alloc_pages+0xef/0x170
[ 57.219796][ T5056] jfs_readdir+0x1cb4/0x4660
[ 57.224407][ T5056] ? __pfx_jfs_readdir+0x10/0x10
[ 57.229357][ T5056] ? __pfx___down_write_common+0x10/0x10
[ 57.234988][ T5056] ? __pfx___mutex_lock+0x10/0x10
[ 57.240010][ T5056] ? __pfx_jfs_readdir+0x10/0x10
[ 57.244937][ T5056] wrap_directory_iterator+0x94/0xe0
[ 57.250393][ T5056] iterate_dir+0x539/0x6f0
[ 57.254997][ T5056] __se_sys_getdents64+0x20d/0x4f0
[ 57.260129][ T5056] ? _raw_spin_unlock_irq+0x2e/0x50
[ 57.265340][ T5056] ? __pfx___se_sys_getdents64+0x10/0x10
[ 57.271056][ T5056] ? __pfx_filldir64+0x10/0x10
[ 57.275817][ T5056] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 57.282228][ T5056] ? do_syscall_64+0x10a/0x240
[ 57.287206][ T5056] ? syscall_trace_enter+0x5f/0x150
[ 57.292426][ T5056] do_syscall_64+0xfb/0x240
[ 57.296947][ T5056] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 57.303021][ T5056] RIP: 0033:0x7efe30a185f9
[ 57.307539][ T5056] 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
[ 57.327298][ T5056] RSP: 002b:00007fff82a8b648 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
[ 57.335827][ T5056] RAX: ffffffffffffffda RBX: 00007fff82a8b818 RCX: 00007efe30a185f9
[ 57.343793][ T5056] RDX: 000000000000102a RSI: 0000000020002280 RDI: 0000000000000004
[ 57.351842][ T5056] RBP: 00007efe30a91610 R08: 0000000000000000 R09: 00007fff82a8b818
[ 57.359806][ T5056] R10: 00000000000060cc R11: 0000000000000246 R12: 0000000000000001
[ 57.367782][ T5056] R13: 00007fff82a8b808 R14: 0000000000000001 R15: 0000000000000001
[ 57.375758][ T5056]
[ 57.379149][ T5056] Kernel Offset: disabled
[ 57.383495][ T5056] Rebooting in 86400 seconds..