./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1111681360
<...>
Warning: Permanently added '10.128.0.134' (ECDSA) to the list of known hosts.
execve("./syz-executor1111681360", ["./syz-executor1111681360"], 0x7ffd18773880 /* 10 vars */) = 0
brk(NULL) = 0x5555558d3000
brk(0x5555558d3c40) = 0x5555558d3c40
arch_prctl(ARCH_SET_FS, 0x5555558d3300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor1111681360", 4096) = 28
brk(0x5555558f4c40) = 0x5555558f4c40
brk(0x5555558f5000) = 0x5555558f5000
mprotect(0x7fcbbcfc6000, 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) = 0x7fcbb4b07000
[ 62.752899][ T4995] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4995 'syz-executor111'
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(0x7fcbb4b07000, 16777216) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
mkdir("./bus", 0777) = 0
mount("/dev/loop0", "./bus", "jfs", 0, "iocharset=macgreek,nodiscard,iocharset=cp932,") = 0
openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
chdir("./bus") = 0
ioctl(4, LOOP_CLR_FD) = 0
close(4) = 0
creat("./bus", 000) = 4
openat(AT_FDCWD, "cpuset.memory_pressure_enabled", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[ 62.934799][ T4995] loop0: detected capacity change from 0 to 32768
[ 63.202691][ T4995] ================================================================================
[ 63.212178][ T4995] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:314:16
[ 63.219463][ T4995] shift exponent -1 is negative
[ 63.224456][ T4995] CPU: 1 PID: 4995 Comm: syz-executor111 Not tainted 6.4.0-rc5-syzkaller #0
[ 63.233133][ T4995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
[ 63.243181][ T4995] Call Trace:
[ 63.246460][ T4995]
[ 63.249389][ T4995] dump_stack_lvl+0x1e7/0x2d0
[ 63.254092][ T4995] ? nf_tcp_handle_invalid+0x650/0x650
[ 63.259588][ T4995] ? panic+0x770/0x770
[ 63.263672][ T4995] ? extAlloc+0x10a/0x1010
[ 63.268097][ T4995] __ubsan_handle_shift_out_of_bounds+0x3c3/0x420
[ 63.274525][ T4995] ? do_raw_spin_unlock+0x13b/0x8b0
[ 63.279745][ T4995] extAlloc+0xe53/0x1010
[ 63.284024][ T4995] ? jfs_ioc_trim+0x660/0x660
[ 63.288724][ T4995] ? clear_nonspinnable+0x60/0x60
[ 63.293774][ T4995] jfs_get_block+0x41b/0xe60
[ 63.298388][ T4995] ? jfs_dirty_inode+0x240/0x240
[ 63.303342][ T4995] ? _raw_spin_unlock+0x28/0x40
[ 63.308201][ T4995] ? folio_create_buffers+0x132/0x250
[ 63.313585][ T4995] __block_write_begin_int+0x548/0x1a50
[ 63.319156][ T4995] ? jfs_dirty_inode+0x240/0x240
[ 63.324098][ T4995] ? PageUptodate+0x290/0x290
[ 63.328793][ T4995] ? folio_test_hugetlb+0xa0/0x1d0
[ 63.333920][ T4995] ? pagecache_get_page+0xeb/0x220
[ 63.339038][ T4995] ? jfs_dirty_inode+0x240/0x240
[ 63.344030][ T4995] block_write_begin+0x9c/0x1f0
[ 63.348888][ T4995] ? jfs_write_begin+0x1a/0x70
[ 63.353658][ T4995] jfs_write_begin+0x31/0x70
[ 63.358255][ T4995] generic_perform_write+0x300/0x5e0
[ 63.363556][ T4995] ? generic_file_direct_write+0x460/0x460
[ 63.369368][ T4995] ? __file_remove_privs+0x640/0x640
[ 63.374668][ T4995] ? generic_write_checks+0x160/0x1c0
[ 63.380050][ T4995] __generic_file_write_iter+0x17a/0x400
[ 63.385784][ T4995] generic_file_write_iter+0xaf/0x310
[ 63.391176][ T4995] vfs_write+0x790/0xb20
[ 63.395444][ T4995] ? file_end_write+0x250/0x250
[ 63.400321][ T4995] ? lockdep_hardirqs_on+0x98/0x140
[ 63.405532][ T4995] ? __fdget_pos+0x265/0x2f0
[ 63.410132][ T4995] ksys_write+0x1a0/0x2c0
[ 63.414477][ T4995] ? __ia32_sys_read+0x90/0x90
[ 63.419261][ T4995] ? syscall_enter_from_user_mode+0x32/0x230
[ 63.425252][ T4995] ? syscall_enter_from_user_mode+0x8c/0x230
[ 63.431244][ T4995] do_syscall_64+0x41/0xc0
[ 63.435684][ T4995] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 63.441586][ T4995] RIP: 0033:0x7fcbbcf538d9
[ 63.446021][ T4995] 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
[ 63.465628][ T4995] RSP: 002b:00007ffc7c3787a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 63.474047][ T4995] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcbbcf538d9
[ 63.482024][ T4995] RDX: 000000000208e24b RSI: 0000000020000000 RDI: 0000000000000005
[ 63.489999][ T4995] RBP: 00007fcbbcf13170 R08: 0000000000000000 R09: 0000000000000000
[ 63.497978][ T4995] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbbcf13200
[ 63.505963][ T4995] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 63.513968][ T4995]
[ 63.517363][ T4995] ================================================================================
[ 63.526734][ T4995] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 63.534016][ T4995] CPU: 1 PID: 4995 Comm: syz-executor111 Not tainted 6.4.0-rc5-syzkaller #0
[ 63.542683][ T4995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
[ 63.552733][ T4995] Call Trace:
[ 63.556010][ T4995]
[ 63.558937][ T4995] dump_stack_lvl+0x1e7/0x2d0
[ 63.563625][ T4995] ? nf_tcp_handle_invalid+0x650/0x650
[ 63.569092][ T4995] ? panic+0x770/0x770
[ 63.573211][ T4995] ? vscnprintf+0x5d/0x80
[ 63.577549][ T4995] panic+0x30f/0x770
[ 63.581444][ T4995] ? check_panic_on_warn+0x21/0xa0
[ 63.586559][ T4995] ? __memcpy_flushcache+0x2b0/0x2b0
[ 63.591843][ T4995] ? dump_stack_lvl+0x253/0x2d0
[ 63.596714][ T4995] check_panic_on_warn+0x82/0xa0
[ 63.601655][ T4995] __ubsan_handle_shift_out_of_bounds+0x3e2/0x420
[ 63.608088][ T4995] ? do_raw_spin_unlock+0x13b/0x8b0
[ 63.613299][ T4995] extAlloc+0xe53/0x1010
[ 63.617558][ T4995] ? jfs_ioc_trim+0x660/0x660
[ 63.622240][ T4995] ? clear_nonspinnable+0x60/0x60
[ 63.627284][ T4995] jfs_get_block+0x41b/0xe60
[ 63.631884][ T4995] ? jfs_dirty_inode+0x240/0x240
[ 63.636834][ T4995] ? _raw_spin_unlock+0x28/0x40
[ 63.641702][ T4995] ? folio_create_buffers+0x132/0x250
[ 63.647090][ T4995] __block_write_begin_int+0x548/0x1a50
[ 63.652664][ T4995] ? jfs_dirty_inode+0x240/0x240
[ 63.657607][ T4995] ? PageUptodate+0x290/0x290
[ 63.662290][ T4995] ? folio_test_hugetlb+0xa0/0x1d0
[ 63.667416][ T4995] ? pagecache_get_page+0xeb/0x220
[ 63.672530][ T4995] ? jfs_dirty_inode+0x240/0x240
[ 63.677477][ T4995] block_write_begin+0x9c/0x1f0
[ 63.682333][ T4995] ? jfs_write_begin+0x1a/0x70
[ 63.687105][ T4995] jfs_write_begin+0x31/0x70
[ 63.691706][ T4995] generic_perform_write+0x300/0x5e0
[ 63.697009][ T4995] ? generic_file_direct_write+0x460/0x460
[ 63.702841][ T4995] ? __file_remove_privs+0x640/0x640
[ 63.708141][ T4995] ? generic_write_checks+0x160/0x1c0
[ 63.713525][ T4995] __generic_file_write_iter+0x17a/0x400
[ 63.719173][ T4995] generic_file_write_iter+0xaf/0x310
[ 63.724561][ T4995] vfs_write+0x790/0xb20
[ 63.728833][ T4995] ? file_end_write+0x250/0x250
[ 63.733710][ T4995] ? lockdep_hardirqs_on+0x98/0x140
[ 63.738923][ T4995] ? __fdget_pos+0x265/0x2f0
[ 63.743525][ T4995] ksys_write+0x1a0/0x2c0
[ 63.747969][ T4995] ? __ia32_sys_read+0x90/0x90
[ 63.752753][ T4995] ? syscall_enter_from_user_mode+0x32/0x230
[ 63.758747][ T4995] ? syscall_enter_from_user_mode+0x8c/0x230
[ 63.764740][ T4995] do_syscall_64+0x41/0xc0
[ 63.769172][ T4995] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 63.775073][ T4995] RIP: 0033:0x7fcbbcf538d9
[ 63.779495][ T4995] 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
[ 63.799109][ T4995] RSP: 002b:00007ffc7c3787a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 63.807530][ T4995] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcbbcf538d9
[ 63.815514][ T4995] RDX: 000000000208e24b RSI: 0000000020000000 RDI: 0000000000000005
[ 63.823490][ T4995] RBP: 00007fcbbcf13170 R08: 0000000000000000 R09: 0000000000000000
[ 63.831468][ T4995] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbbcf13200
[ 63.839445][ T4995] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 63.847432][ T4995]
[ 63.850679][ T4995] Kernel Offset: disabled
[ 63.855096][ T4995] Rebooting in 86400 seconds..