./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor453822458
<...>
Warning: Permanently added '10.128.1.162' (ECDSA) to the list of known hosts.
execve("./syz-executor453822458", ["./syz-executor453822458"], 0x7ffc33ee32b0 /* 10 vars */) = 0
brk(NULL) = 0x5555572a7000
brk(0x5555572a7c40) = 0x5555572a7c40
arch_prctl(ARCH_SET_FS, 0x5555572a7300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor453822458", 4096) = 27
brk(0x5555572c8c40) = 0x5555572c8c40
brk(0x5555572c9000) = 0x5555572c9000
mprotect(0x7f4e3d6ca000, 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, child_tidptr=0x5555572a75d0) = 5000
./strace-static-x86_64: Process 5000 attached
[pid 5000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] setpgid(0, 0) = 0
[pid 5000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5000] write(3, "1000", 4) = 4
[pid 5000] close(3) = 0
[pid 5000] memfd_create("syzkaller", 0) = 3
[pid 5000] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4e3520a000
[ 44.200811][ T5000] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5000 'syz-executor453'
[pid 5000] 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 5000] munmap(0x7f4e3520a000, 16777216) = 0
[pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5000] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5000] close(3) = 0
[pid 5000] mkdir("./file0", 0777) = 0
[pid 5000] mount("/dev/loop0", "./file0", "jfs", MS_NOSUID|MS_NODIRATIME|MS_STRICTATIME, "") = 0
[pid 5000] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5000] chdir("./file0") = 0
[pid 5000] ioctl(4, LOOP_CLR_FD) = 0
[pid 5000] close(4) = 0
[pid 5000] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[ 44.304228][ T5000] loop0: detected capacity change from 0 to 32768
[ 44.490677][ T5000] ================================================================================
[ 44.500982][ T5000] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:314:16
[ 44.510761][ T5000] shift exponent -1 is negative
[ 44.515985][ T5000] CPU: 0 PID: 5000 Comm: syz-executor453 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0
[ 44.527642][ T5000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
[ 44.539192][ T5000] Call Trace:
[ 44.542910][ T5000]
[ 44.545856][ T5000] dump_stack_lvl+0x136/0x150
[ 44.550722][ T5000] __ubsan_handle_shift_out_of_bounds+0x221/0x5a0
[ 44.558934][ T5000] extAlloc.cold+0x8d/0x92
[ 44.563997][ T5000] ? jfs_ioc_trim+0x5c0/0x5c0
[ 44.569029][ T5000] ? down_write_nested+0x153/0x200
[ 44.574554][ T5000] ? find_held_lock+0x2d/0x110
[ 44.579860][ T5000] jfs_get_block+0x665/0xa90
[ 44.585444][ T5000] ? jfs_read_folio+0x20/0x20
[ 44.590846][ T5000] ? folio_flags.constprop.0+0x53/0x150
[ 44.596668][ T5000] ? do_raw_spin_unlock+0x175/0x230
[ 44.602151][ T5000] ? _raw_spin_unlock+0x28/0x40
[ 44.607027][ T5000] __block_write_begin_int+0x3bd/0x14b0
[ 44.612589][ T5000] ? jfs_read_folio+0x20/0x20
[ 44.617287][ T5000] ? invalidate_bh_lrus_cpu+0x140/0x140
[ 44.625629][ T5000] ? folio_flags.constprop.0+0x53/0x150
[ 44.632770][ T5000] ? jfs_read_folio+0x20/0x20
[ 44.637997][ T5000] block_write_begin+0xb9/0x4d0
[ 44.643973][ T5000] jfs_write_begin+0x31/0xd0
[ 44.648837][ T5000] generic_perform_write+0x256/0x570
[ 44.655934][ T5000] ? generic_file_readonly_mmap+0x180/0x180
[ 44.662698][ T5000] ? new_inode+0x280/0x280
[ 44.668118][ T5000] ? generic_write_checks+0x2c0/0x400
[ 44.673852][ T5000] __generic_file_write_iter+0x2ae/0x500
[ 44.679856][ T5000] generic_file_write_iter+0xe3/0x350
[ 44.686553][ T5000] vfs_write+0x945/0xd50
[ 44.691954][ T5000] ? kernel_write+0x670/0x670
[ 44.696727][ T5000] ? recalc_sigpending_tsk+0x18b/0x1d0
[ 44.702189][ T5000] ? find_held_lock+0x2d/0x110
[ 44.707582][ T5000] ? lock_downgrade+0x690/0x690
[ 44.712448][ T5000] ? __fget_light+0x20a/0x270
[ 44.718464][ T5000] ksys_write+0x12b/0x250
[ 44.722810][ T5000] ? __ia32_sys_read+0xb0/0xb0
[ 44.727564][ T5000] ? lockdep_hardirqs_on+0x7d/0x100
[ 44.732782][ T5000] ? _raw_spin_unlock_irq+0x2e/0x50
[ 44.738463][ T5000] ? ptrace_notify+0xfe/0x140
[ 44.743161][ T5000] do_syscall_64+0x39/0xb0
[ 44.747603][ T5000] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 44.753961][ T5000] RIP: 0033:0x7f4e3d657209
[ 44.758363][ T5000] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 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 c0 ff ff ff f7 d8 64 89 01 48
[ 44.779197][ T5000] RSP: 002b:00007ffcb541e998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 44.787699][ T5000] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4e3d657209
[ 44.796357][ T5000] RDX: 000000000208e24b RSI: 0000000020000300 RDI: 0000000000000004
[ 44.804317][ T5000] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
[ 44.812284][ T5000] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffcb541e9c0
[ 44.820239][ T5000] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000
[ 44.828290][ T5000]
[ 44.831483][ T5000] ================================================================================
[ 44.841321][ T5000] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 44.848513][ T5000] CPU: 0 PID: 5000 Comm: syz-executor453 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0
[ 44.858963][ T5000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
[ 44.869047][ T5000] Call Trace:
[ 44.872320][ T5000]
[ 44.875242][ T5000] dump_stack_lvl+0xd9/0x150
[ 44.879832][ T5000] panic+0x686/0x730
[ 44.883727][ T5000] ? panic_smp_self_stop+0xa0/0xa0
[ 44.888865][ T5000] ? syslog_print_all+0x3a0/0x3a0
[ 44.893908][ T5000] check_panic_on_warn+0xb1/0xc0
[ 44.898882][ T5000] __ubsan_handle_shift_out_of_bounds+0x249/0x5a0
[ 44.905309][ T5000] extAlloc.cold+0x8d/0x92
[ 44.909730][ T5000] ? jfs_ioc_trim+0x5c0/0x5c0
[ 44.914403][ T5000] ? down_write_nested+0x153/0x200
[ 44.919544][ T5000] ? find_held_lock+0x2d/0x110
[ 44.924327][ T5000] jfs_get_block+0x665/0xa90
[ 44.928933][ T5000] ? jfs_read_folio+0x20/0x20
[ 44.933633][ T5000] ? folio_flags.constprop.0+0x53/0x150
[ 44.939210][ T5000] ? do_raw_spin_unlock+0x175/0x230
[ 44.944408][ T5000] ? _raw_spin_unlock+0x28/0x40
[ 44.949260][ T5000] __block_write_begin_int+0x3bd/0x14b0
[ 44.954803][ T5000] ? jfs_read_folio+0x20/0x20
[ 44.959481][ T5000] ? invalidate_bh_lrus_cpu+0x140/0x140
[ 44.965111][ T5000] ? folio_flags.constprop.0+0x53/0x150
[ 44.970690][ T5000] ? jfs_read_folio+0x20/0x20
[ 44.975369][ T5000] block_write_begin+0xb9/0x4d0
[ 44.980226][ T5000] jfs_write_begin+0x31/0xd0
[ 44.984814][ T5000] generic_perform_write+0x256/0x570
[ 44.990109][ T5000] ? generic_file_readonly_mmap+0x180/0x180
[ 44.996003][ T5000] ? new_inode+0x280/0x280
[ 45.000419][ T5000] ? generic_write_checks+0x2c0/0x400
[ 45.005790][ T5000] __generic_file_write_iter+0x2ae/0x500
[ 45.011425][ T5000] generic_file_write_iter+0xe3/0x350
[ 45.016798][ T5000] vfs_write+0x945/0xd50
[ 45.021033][ T5000] ? kernel_write+0x670/0x670
[ 45.025708][ T5000] ? recalc_sigpending_tsk+0x18b/0x1d0
[ 45.031179][ T5000] ? find_held_lock+0x2d/0x110
[ 45.035941][ T5000] ? lock_downgrade+0x690/0x690
[ 45.040789][ T5000] ? __fget_light+0x20a/0x270
[ 45.045468][ T5000] ksys_write+0x12b/0x250
[ 45.049790][ T5000] ? __ia32_sys_read+0xb0/0xb0
[ 45.054546][ T5000] ? lockdep_hardirqs_on+0x7d/0x100
[ 45.059750][ T5000] ? _raw_spin_unlock_irq+0x2e/0x50
[ 45.064982][ T5000] ? ptrace_notify+0xfe/0x140
[ 45.069667][ T5000] do_syscall_64+0x39/0xb0
[ 45.074081][ T5000] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 45.079978][ T5000] RIP: 0033:0x7f4e3d657209
[ 45.084388][ T5000] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 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 c0 ff ff ff f7 d8 64 89 01 48
[ 45.104020][ T5000] RSP: 002b:00007ffcb541e998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 45.112429][ T5000] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4e3d657209
[ 45.120394][ T5000] RDX: 000000000208e24b RSI: 0000000020000300 RDI: 0000000000000004
[ 45.128376][ T5000] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
[ 45.136356][ T5000] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffcb541e9c0
[ 45.144319][ T5000] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000
[ 45.152396][ T5000]
[ 45.156018][ T5000] Kernel Offset: disabled
[ 45.160408][ T5000] Rebooting in 86400 seconds..