./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor968202169
<...>
Warning: Permanently added '10.128.1.123' (ECDSA) to the list of known hosts.
execve("./syz-executor968202169", ["./syz-executor968202169"], 0x7ffecd49a850 /* 10 vars */) = 0
brk(NULL) = 0x555556a5b000
brk(0x555556a5bc40) = 0x555556a5bc40
arch_prctl(ARCH_SET_FS, 0x555556a5b300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor968202169", 4096) = 27
brk(0x555556a7cc40) = 0x555556a7cc40
brk(0x555556a7d000) = 0x555556a7d000
mprotect(0x7f2cf41e8000, 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) = 0x7f2cebd29000
[ 57.086428][ T4992] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4992 'syz-executor968'
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(0x7f2cebd29000, 16777216) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0
mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "jfs", MS_NOSUID, "uid=0x0000000000000000,noquota,grpquota,iocharset=macgaelic,") = 0
openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3
chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
ioctl(4, LOOP_CLR_FD) = 0
close(4) = 0
openat(AT_FDCWD, "blkio.bfq.sectors", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[ 57.231340][ T4992] loop0: detected capacity change from 0 to 32768
[ 57.438701][ T4992] ================================================================================
[ 57.448147][ T4992] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:314:16
[ 57.455372][ T4992] shift exponent -1 is negative
[ 57.460223][ T4992] CPU: 1 PID: 4992 Comm: syz-executor968 Not tainted 6.4.0-rc5-syzkaller-00245-g64569520920a #0
[ 57.470612][ T4992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
[ 57.480653][ T4992] Call Trace:
[ 57.483921][ T4992]
[ 57.486853][ T4992] dump_stack_lvl+0x1e7/0x2d0
[ 57.491530][ T4992] ? nf_tcp_handle_invalid+0x650/0x650
[ 57.497063][ T4992] ? panic+0x770/0x770
[ 57.501121][ T4992] ? extAlloc+0x10a/0x1010
[ 57.505524][ T4992] __ubsan_handle_shift_out_of_bounds+0x3c3/0x420
[ 57.511943][ T4992] ? do_raw_spin_unlock+0x13b/0x8b0
[ 57.518365][ T4992] extAlloc+0xe53/0x1010
[ 57.522624][ T4992] ? jfs_ioc_trim+0x660/0x660
[ 57.527292][ T4992] ? clear_nonspinnable+0x60/0x60
[ 57.532318][ T4992] jfs_get_block+0x41b/0xe60
[ 57.536908][ T4992] ? jfs_dirty_inode+0x240/0x240
[ 57.541839][ T4992] ? _raw_spin_unlock+0x28/0x40
[ 57.546682][ T4992] ? folio_create_buffers+0x132/0x250
[ 57.552051][ T4992] __block_write_begin_int+0x548/0x1a50
[ 57.557604][ T4992] ? jfs_dirty_inode+0x240/0x240
[ 57.562533][ T4992] ? PageUptodate+0x290/0x290
[ 57.567199][ T4992] ? folio_test_hugetlb+0xa0/0x1d0
[ 57.572303][ T4992] ? pagecache_get_page+0xeb/0x220
[ 57.577404][ T4992] ? jfs_dirty_inode+0x240/0x240
[ 57.582331][ T4992] block_write_begin+0x9c/0x1f0
[ 57.587184][ T4992] ? jfs_write_begin+0x1a/0x70
[ 57.591940][ T4992] jfs_write_begin+0x31/0x70
[ 57.596520][ T4992] generic_perform_write+0x300/0x5e0
[ 57.601808][ T4992] ? generic_file_direct_write+0x460/0x460
[ 57.607604][ T4992] ? __file_remove_privs+0x640/0x640
[ 57.612885][ T4992] ? generic_write_checks+0x160/0x1c0
[ 57.618251][ T4992] __generic_file_write_iter+0x17a/0x400
[ 57.623886][ T4992] generic_file_write_iter+0xaf/0x310
[ 57.629250][ T4992] vfs_write+0x790/0xb20
[ 57.633498][ T4992] ? file_end_write+0x250/0x250
[ 57.638351][ T4992] ? lockdep_hardirqs_on+0x98/0x140
[ 57.643724][ T4992] ? __fdget_pos+0x265/0x2f0
[ 57.648303][ T4992] ksys_write+0x1a0/0x2c0
[ 57.652629][ T4992] ? __ia32_sys_read+0x90/0x90
[ 57.657538][ T4992] ? syscall_enter_from_user_mode+0x32/0x230
[ 57.663599][ T4992] ? syscall_enter_from_user_mode+0x8c/0x230
[ 57.669658][ T4992] do_syscall_64+0x41/0xc0
[ 57.674151][ T4992] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 57.680063][ T4992] RIP: 0033:0x7f2cf4175bc9
[ 57.684502][ 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
[ 57.704127][ T4992] RSP: 002b:00007fff9abe4bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 57.712634][ T4992] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2cf4175bc9
[ 57.720597][ T4992] RDX: 000000000208e24b RSI: 00000000200001c0 RDI: 0000000000000004
[ 57.728565][ T4992] RBP: 00007f2cf41351d0 R08: 0000000000000000 R09: 0000000000000000
[ 57.736525][ T4992] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2cf4135260
[ 57.744499][ T4992] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 57.752503][ T4992]
[ 57.755645][ T4992] ================================================================================
[ 57.765012][ T4992] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 57.772214][ T4992] CPU: 1 PID: 4992 Comm: syz-executor968 Not tainted 6.4.0-rc5-syzkaller-00245-g64569520920a #0
[ 57.782617][ T4992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
[ 57.792663][ T4992] Call Trace:
[ 57.795932][ T4992]
[ 57.798853][ T4992] dump_stack_lvl+0x1e7/0x2d0
[ 57.803527][ T4992] ? nf_tcp_handle_invalid+0x650/0x650
[ 57.808980][ T4992] ? panic+0x770/0x770
[ 57.813053][ T4992] ? vscnprintf+0x5d/0x80
[ 57.817456][ T4992] panic+0x30f/0x770
[ 57.821389][ T4992] ? check_panic_on_warn+0x21/0xa0
[ 57.826502][ T4992] ? __memcpy_flushcache+0x2b0/0x2b0
[ 57.831928][ T4992] ? dump_stack_lvl+0x253/0x2d0
[ 57.836784][ T4992] check_panic_on_warn+0x82/0xa0
[ 57.841722][ T4992] __ubsan_handle_shift_out_of_bounds+0x3e2/0x420
[ 57.848146][ T4992] ? do_raw_spin_unlock+0x13b/0x8b0
[ 57.853345][ T4992] extAlloc+0xe53/0x1010
[ 57.857593][ T4992] ? jfs_ioc_trim+0x660/0x660
[ 57.862268][ T4992] ? clear_nonspinnable+0x60/0x60
[ 57.867322][ T4992] jfs_get_block+0x41b/0xe60
[ 57.873170][ T4992] ? jfs_dirty_inode+0x240/0x240
[ 57.878127][ T4992] ? _raw_spin_unlock+0x28/0x40
[ 57.882979][ T4992] ? folio_create_buffers+0x132/0x250
[ 57.888349][ T4992] __block_write_begin_int+0x548/0x1a50
[ 57.893906][ T4992] ? jfs_dirty_inode+0x240/0x240
[ 57.898833][ T4992] ? PageUptodate+0x290/0x290
[ 57.903500][ T4992] ? folio_test_hugetlb+0xa0/0x1d0
[ 57.908607][ T4992] ? pagecache_get_page+0xeb/0x220
[ 57.913711][ T4992] ? jfs_dirty_inode+0x240/0x240
[ 57.918638][ T4992] block_write_begin+0x9c/0x1f0
[ 57.924005][ T4992] ? jfs_write_begin+0x1a/0x70
[ 57.929458][ T4992] jfs_write_begin+0x31/0x70
[ 57.934511][ T4992] generic_perform_write+0x300/0x5e0
[ 57.939813][ T4992] ? generic_file_direct_write+0x460/0x460
[ 57.945613][ T4992] ? __file_remove_privs+0x640/0x640
[ 57.950898][ T4992] ? generic_write_checks+0x160/0x1c0
[ 57.956269][ T4992] __generic_file_write_iter+0x17a/0x400
[ 57.961905][ T4992] generic_file_write_iter+0xaf/0x310
[ 57.967278][ T4992] vfs_write+0x790/0xb20
[ 57.971607][ T4992] ? file_end_write+0x250/0x250
[ 57.976461][ T4992] ? lockdep_hardirqs_on+0x98/0x140
[ 57.981655][ T4992] ? __fdget_pos+0x265/0x2f0
[ 57.986237][ T4992] ksys_write+0x1a0/0x2c0
[ 57.990566][ T4992] ? __ia32_sys_read+0x90/0x90
[ 57.995324][ T4992] ? syscall_enter_from_user_mode+0x32/0x230
[ 58.001296][ T4992] ? syscall_enter_from_user_mode+0x8c/0x230
[ 58.007707][ T4992] do_syscall_64+0x41/0xc0
[ 58.012134][ T4992] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 58.018163][ T4992] RIP: 0033:0x7f2cf4175bc9
[ 58.023111][ 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
[ 58.042719][ T4992] RSP: 002b:00007fff9abe4bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 58.051303][ T4992] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2cf4175bc9
[ 58.059267][ T4992] RDX: 000000000208e24b RSI: 00000000200001c0 RDI: 0000000000000004
[ 58.067227][ T4992] RBP: 00007f2cf41351d0 R08: 0000000000000000 R09: 0000000000000000
[ 58.075193][ T4992] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2cf4135260
[ 58.083325][ T4992] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 58.091308][ T4992]
[ 58.094627][ T4992] Kernel Offset: disabled
[ 58.099023][ T4992] Rebooting in 86400 seconds..