./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3231461055

<...>
Warning: Permanently added '10.128.0.123' (ECDSA) to the list of known hosts.
execve("./syz-executor3231461055", ["./syz-executor3231461055"], 0x7ffcc7592320 /* 10 vars */) = 0
brk(NULL)                               = 0x5555555ad000
brk(0x5555555adc40)                     = 0x5555555adc40
arch_prctl(ARCH_SET_FS, 0x5555555ad300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor3231461055", 4096) = 28
brk(0x5555555cec40)                     = 0x5555555cec40
brk(0x5555555cf000)                     = 0x5555555cf000
mprotect(0x7fb312809000, 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) = 0x7fb30a34a000
syzkaller login: [   55.870279][ T4992] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4992 'syz-executor323'
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(0x7fb30a34a000, 16777216)        = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 4
ioctl(4, LOOP_SET_FD, 3)                = 0
close(3)                                = 0
mkdir("./file0", 0777)                  = 0
mount("/dev/loop0", "./file0", "jfs", MS_SYNCHRONOUS|MS_NODIRATIME|MS_RELATIME|MS_LAZYTIME, "") = 0
openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
chdir("./file0")                        = 0
ioctl(4, LOOP_CLR_FD)                   = 0
close(4)                                = 0
open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME|FASYNC|0x3c, 000) = 4
[   56.013508][ T4992] loop0: detected capacity change from 0 to 32768
[   56.219286][ T4992] ================================================================================
[   56.228732][ T4992] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:314:16
[   56.235956][ T4992] shift exponent -1 is negative
[   56.240806][ T4992] CPU: 1 PID: 4992 Comm: syz-executor323 Not tainted 6.4.0-rc4-syzkaller-00265-g4ecd704a4c51 #0
[   56.251199][ T4992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
[   56.261237][ T4992] Call Trace:
[   56.264501][ T4992]  <TASK>
[   56.267416][ T4992]  dump_stack_lvl+0x1e7/0x2d0
[   56.272100][ T4992]  ? nf_tcp_handle_invalid+0x650/0x650
[   56.277548][ T4992]  ? panic+0x770/0x770
[   56.281600][ T4992]  ? extAlloc+0x10a/0x1010
[   56.286001][ T4992]  __ubsan_handle_shift_out_of_bounds+0x3c3/0x420
[   56.292415][ T4992]  ? do_raw_spin_unlock+0x13b/0x8b0
[   56.297618][ T4992]  extAlloc+0xe53/0x1010
[   56.301867][ T4992]  ? jfs_ioc_trim+0x660/0x660
[   56.306538][ T4992]  ? clear_nonspinnable+0x60/0x60
[   56.311561][ T4992]  jfs_get_block+0x41b/0xe60
[   56.316148][ T4992]  ? jfs_dirty_inode+0x240/0x240
[   56.321079][ T4992]  ? _raw_spin_unlock+0x28/0x40
[   56.325921][ T4992]  ? folio_create_buffers+0x132/0x250
[   56.331284][ T4992]  __block_write_begin_int+0x548/0x1a50
[   56.336834][ T4992]  ? jfs_dirty_inode+0x240/0x240
[   56.341766][ T4992]  ? PageUptodate+0x290/0x290
[   56.346449][ T4992]  ? folio_test_hugetlb+0xa0/0x1d0
[   56.351552][ T4992]  ? pagecache_get_page+0xeb/0x220
[   56.356652][ T4992]  ? jfs_dirty_inode+0x240/0x240
[   56.361580][ T4992]  block_write_begin+0x9c/0x1f0
[   56.366417][ T4992]  ? jfs_write_begin+0x1a/0x70
[   56.371172][ T4992]  jfs_write_begin+0x31/0x70
[   56.375755][ T4992]  generic_perform_write+0x300/0x5e0
[   56.381043][ T4992]  ? generic_file_direct_write+0x460/0x460
[   56.386838][ T4992]  ? __file_remove_privs+0x640/0x640
[   56.392120][ T4992]  ? generic_write_checks+0x160/0x1c0
[   56.397485][ T4992]  __generic_file_write_iter+0x17a/0x400
[   56.403115][ T4992]  generic_file_write_iter+0xaf/0x310
[   56.408479][ T4992]  vfs_write+0x790/0xb20
[   56.412723][ T4992]  ? file_end_write+0x250/0x250
[   56.417575][ T4992]  ? lockdep_hardirqs_on+0x98/0x140
[   56.422767][ T4992]  ? __fdget_pos+0x265/0x2f0
[   56.427348][ T4992]  ksys_write+0x1a0/0x2c0
[   56.431673][ T4992]  ? __ia32_sys_read+0x90/0x90
[   56.436431][ T4992]  ? syscall_enter_from_user_mode+0x32/0x230
[   56.442405][ T4992]  ? syscall_enter_from_user_mode+0x8c/0x230
[   56.448375][ T4992]  do_syscall_64+0x41/0xc0
[   56.452783][ T4992]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   56.458666][ T4992] RIP: 0033:0x7fb312796839
[   56.463070][ T4992] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 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
[   56.482668][ T4992] RSP: 002b:00007ffff0fe8c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   56.491070][ T4992] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb312796839
[   56.499034][ T4992] RDX: 00000000200000c7 RSI: 00000000200000c0 RDI: 0000000000000004
[   56.506994][ T4992] RBP: 00007fb3127560d0 R08: 0000000000000000 R09: 0000000000000000
[   56.514956][ T4992] R10: 0000000000005eac R11: 0000000000000246 R12: 00007fb312756160
[   56.522915][ T4992] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   56.530888][ T4992]  </TASK>
[   56.534388][ T4992] ================================================================================
[   56.543756][ T4992] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[   56.550932][ T4992] CPU: 0 PID: 4992 Comm: syz-executor323 Not tainted 6.4.0-rc4-syzkaller-00265-g4ecd704a4c51 #0
[   56.561320][ T4992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
[   56.571357][ T4992] Call Trace:
[   56.574619][ T4992]  <TASK>
[   56.577532][ T4992]  dump_stack_lvl+0x1e7/0x2d0
[   56.582199][ T4992]  ? nf_tcp_handle_invalid+0x650/0x650
[   56.587641][ T4992]  ? panic+0x770/0x770
[   56.591692][ T4992]  ? vscnprintf+0x5d/0x80
[   56.596008][ T4992]  panic+0x30f/0x770
[   56.599888][ T4992]  ? check_panic_on_warn+0x21/0xa0
[   56.604985][ T4992]  ? __memcpy_flushcache+0x2b0/0x2b0
[   56.610249][ T4992]  ? dump_stack_lvl+0x253/0x2d0
[   56.615091][ T4992]  check_panic_on_warn+0x82/0xa0
[   56.620010][ T4992]  __ubsan_handle_shift_out_of_bounds+0x3e2/0x420
[   56.626411][ T4992]  ? do_raw_spin_unlock+0x13b/0x8b0
[   56.631599][ T4992]  extAlloc+0xe53/0x1010
[   56.635831][ T4992]  ? jfs_ioc_trim+0x660/0x660
[   56.640489][ T4992]  ? clear_nonspinnable+0x60/0x60
[   56.645501][ T4992]  jfs_get_block+0x41b/0xe60
[   56.650074][ T4992]  ? jfs_dirty_inode+0x240/0x240
[   56.655002][ T4992]  ? _raw_spin_unlock+0x28/0x40
[   56.659845][ T4992]  ? folio_create_buffers+0x132/0x250
[   56.665212][ T4992]  __block_write_begin_int+0x548/0x1a50
[   56.670766][ T4992]  ? jfs_dirty_inode+0x240/0x240
[   56.675692][ T4992]  ? PageUptodate+0x290/0x290
[   56.680357][ T4992]  ? folio_test_hugetlb+0xa0/0x1d0
[   56.685461][ T4992]  ? pagecache_get_page+0xeb/0x220
[   56.690562][ T4992]  ? jfs_dirty_inode+0x240/0x240
[   56.695494][ T4992]  block_write_begin+0x9c/0x1f0
[   56.700351][ T4992]  ? jfs_write_begin+0x1a/0x70
[   56.705120][ T4992]  jfs_write_begin+0x31/0x70
[   56.709709][ T4992]  generic_perform_write+0x300/0x5e0
[   56.715007][ T4992]  ? generic_file_direct_write+0x460/0x460
[   56.720813][ T4992]  ? __file_remove_privs+0x640/0x640
[   56.726100][ T4992]  ? generic_write_checks+0x160/0x1c0
[   56.731468][ T4992]  __generic_file_write_iter+0x17a/0x400
[   56.737098][ T4992]  generic_file_write_iter+0xaf/0x310
[   56.742464][ T4992]  vfs_write+0x790/0xb20
[   56.746707][ T4992]  ? file_end_write+0x250/0x250
[   56.751560][ T4992]  ? lockdep_hardirqs_on+0x98/0x140
[   56.756751][ T4992]  ? __fdget_pos+0x265/0x2f0
[   56.761332][ T4992]  ksys_write+0x1a0/0x2c0
[   56.765660][ T4992]  ? __ia32_sys_read+0x90/0x90
[   56.770417][ T4992]  ? syscall_enter_from_user_mode+0x32/0x230
[   56.776390][ T4992]  ? syscall_enter_from_user_mode+0x8c/0x230
[   56.782362][ T4992]  do_syscall_64+0x41/0xc0
[   56.786773][ T4992]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   56.792655][ T4992] RIP: 0033:0x7fb312796839
[   56.797061][ T4992] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 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
[   56.816654][ T4992] RSP: 002b:00007ffff0fe8c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   56.825060][ T4992] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb312796839
[   56.833020][ T4992] RDX: 00000000200000c7 RSI: 00000000200000c0 RDI: 0000000000000004
[   56.840979][ T4992] RBP: 00007fb3127560d0 R08: 0000000000000000 R09: 0000000000000000
[   56.848936][ T4992] R10: 0000000000005eac R11: 0000000000000246 R12: 00007fb312756160
[   56.856896][ T4992] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   56.864865][ T4992]  </TASK>
[   56.868013][ T4992] Kernel Offset: disabled
[   56.872399][ T4992] Rebooting in 86400 seconds..