./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3704780628 <...> Warning: Permanently added '10.128.1.221' (ED25519) to the list of known hosts. execve("./syz-executor3704780628", ["./syz-executor3704780628"], 0x7ffc36ce1840 /* 10 vars */) = 0 brk(NULL) = 0x55556f43c000 brk(0x55556f43cd00) = 0x55556f43cd00 arch_prctl(ARCH_SET_FS, 0x55556f43c380) = 0 set_tid_address(0x55556f43c650) = 5828 set_robust_list(0x55556f43c660, 24) = 0 rseq(0x55556f43cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3704780628", 4096) = 28 getrandom("\xde\x6a\x5c\x4a\x0a\x18\x96\xe6", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556f43cd00 brk(0x55556f45dd00) = 0x55556f45dd00 brk(0x55556f45e000) = 0x55556f45e000 mprotect(0x7f4a12f3e000, 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./strace-static-x86_64: Process 5830 attached [pid 5830] set_robust_list(0x55556f43c660, 24) = 0 [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5828] <... clone resumed>, child_tidptr=0x55556f43c650) = 5830 [pid 5830] <... prctl resumed>) = 0 [pid 5830] setpgid(0, 0) = 0 [pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "1000", 4) = 4 [pid 5830] close(3) = 0 [pid 5830] write(1, "executing program\n", 18executing program ) = 18 [pid 5830] memfd_create("syzkaller", 0) = 3 [pid 5830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4a0aa00000 [pid 5830] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5830] munmap(0x7f4a0aa00000, 138412032) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5830] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5830] close(3) = 0 [pid 5830] close(4) = 0 [pid 5830] mkdir("./file1", 0777) = 0 [ 63.341496][ T5830] loop0: detected capacity change from 0 to 32768 [ 63.376506][ T5830] ======================================================= [ 63.376506][ T5830] WARNING: The mand mount option has been deprecated and [ 63.376506][ T5830] and is ignored by this kernel. Remove the mand [ 63.376506][ T5830] option from the mount to silence this warning. [ 63.376506][ T5830] ======================================================= [ 63.416196][ T5830] ------------[ cut here ]------------ [ 63.421802][ T5830] UBSAN: shift-out-of-bounds in fs/ocfs2/super.c:2336:10 [ 63.428965][ T5830] shift exponent 32768 is too large for 32-bit type 'int' [ 63.436306][ T5830] CPU: 0 UID: 0 PID: 5830 Comm: syz-executor370 Not tainted 6.12.0-rc6-syzkaller-00110-gff7afaeca1a1 #0 [ 63.447451][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 63.457521][ T5830] Call Trace: [ 63.460798][ T5830] [ 63.463717][ T5830] dump_stack_lvl+0x241/0x360 [ 63.468428][ T5830] ? __pfx_dump_stack_lvl+0x10/0x10 [ 63.473632][ T5830] ? __pfx__printk+0x10/0x10 [ 63.478229][ T5830] ? __asan_memset+0x23/0x50 [ 63.482814][ T5830] ? lockdep_init_map_type+0xa1/0x910 [ 63.488206][ T5830] __ubsan_handle_shift_out_of_bounds+0x3c8/0x420 [ 63.494643][ T5830] ocfs2_fill_super+0xf9c/0x5750 [ 63.499588][ T5830] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 63.504956][ T5830] ? __pfx_validate_chain+0x10/0x10 [ 63.510156][ T5830] ? __pfx_validate_chain+0x10/0x10 [ 63.515367][ T5830] ? validate_chain+0x11e/0x5920 [ 63.520305][ T5830] ? __lock_acquire+0x1384/0x2050 [ 63.525332][ T5830] ? __pfx_validate_chain+0x10/0x10 [ 63.530535][ T5830] ? string+0x26a/0x2b0 [ 63.534695][ T5830] ? widen_string+0x3a/0x310 [ 63.539284][ T5830] ? string+0x26a/0x2b0 [ 63.543435][ T5830] ? bdev_name+0x2b1/0x3c0 [ 63.547931][ T5830] ? pointer+0x703/0x1210 [ 63.552263][ T5830] ? __pfx_pointer+0x10/0x10 [ 63.556847][ T5830] ? __pfx_format_decode+0x10/0x10 [ 63.561958][ T5830] ? __lock_acquire+0x1384/0x2050 [ 63.567008][ T5830] ? vsnprintf+0x1ccd/0x1da0 [ 63.571606][ T5830] ? snprintf+0xda/0x120 [ 63.575844][ T5830] ? __pfx_lock_release+0x10/0x10 [ 63.580872][ T5830] ? do_raw_spin_lock+0x14f/0x370 [ 63.585909][ T5830] ? __pfx_snprintf+0x10/0x10 [ 63.590620][ T5830] ? set_blocksize+0x1f9/0x360 [ 63.595382][ T5830] ? sb_set_blocksize+0x98/0xf0 [ 63.600347][ T5830] ? setup_bdev_super+0x4e6/0x5d0 [ 63.605372][ T5830] mount_bdev+0x20a/0x2d0 [ 63.609701][ T5830] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 63.615080][ T5830] ? __pfx_mount_bdev+0x10/0x10 [ 63.619922][ T5830] ? vfs_parse_fs_string+0x190/0x230 [ 63.625208][ T5830] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 63.630840][ T5830] legacy_get_tree+0xee/0x190 [ 63.635707][ T5830] ? __pfx_ocfs2_mount+0x10/0x10 [ 63.640639][ T5830] vfs_get_tree+0x90/0x2b0 [ 63.645053][ T5830] do_new_mount+0x2be/0xb40 [ 63.649557][ T5830] ? __pfx_do_new_mount+0x10/0x10 [ 63.654606][ T5830] __se_sys_mount+0x2d6/0x3c0 [ 63.659366][ T5830] ? __pfx___se_sys_mount+0x10/0x10 [ 63.664562][ T5830] ? do_syscall_64+0x100/0x230 [ 63.669318][ T5830] ? __x64_sys_mount+0x20/0xc0 [ 63.674107][ T5830] do_syscall_64+0xf3/0x230 [ 63.678604][ T5830] ? clear_bhb_loop+0x35/0x90 [ 63.683277][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.689200][ T5830] RIP: 0033:0x7f4a12ec716a [ 63.693625][ T5830] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 63.713256][ T5830] RSP: 002b:00007ffd65da8648 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 63.721682][ T5830] RAX: ffffffffffffffda RBX: 00007ffd65da8660 RCX: 00007f4a12ec716a [ 63.729651][ T5830] RDX: 00000000200002c0 RSI: 0000000020000040 RDI: 00007ffd65da8660 [ 63.737615][ T5830] RBP: 0000000000000004 R08: 00007ffd65da86a0 R09: 0000000000004434 [ 63.745579][ T5830] R10: 00000000000008c0 R11: 0000000000000282 R12: 00000000000008c0 [ 63.753544][ T5830] R13: 00007ffd65da86a0 R14: 0000000000000003 R15: 0000000001000000 [ 63.761688][ T5830] [ 63.764996][ T5830] ---[ end trace ]--- [ 63.768998][ T5830] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 63.776191][ T5830] CPU: 0 UID: 0 PID: 5830 Comm: syz-executor370 Not tainted 6.12.0-rc6-syzkaller-00110-gff7afaeca1a1 #0 [ 63.787290][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 63.797346][ T5830] Call Trace: [ 63.800623][ T5830] [ 63.803549][ T5830] dump_stack_lvl+0x241/0x360 [ 63.808255][ T5830] ? __pfx_dump_stack_lvl+0x10/0x10 [ 63.813452][ T5830] ? __pfx__printk+0x10/0x10 [ 63.818074][ T5830] ? lockdep_hardirqs_on+0x99/0x150 [ 63.823270][ T5830] ? vscnprintf+0x5d/0x90 [ 63.827604][ T5830] panic+0x349/0x880 [ 63.831498][ T5830] ? check_panic_on_warn+0x21/0xb0 [ 63.836609][ T5830] ? __pfx_panic+0x10/0x10 [ 63.841022][ T5830] ? _printk+0xd5/0x120 [ 63.845225][ T5830] ? __pfx__printk+0x10/0x10 [ 63.849811][ T5830] ? __asan_memset+0x23/0x50 [ 63.854508][ T5830] check_panic_on_warn+0x86/0xb0 [ 63.859442][ T5830] __ubsan_handle_shift_out_of_bounds+0x3e7/0x420 [ 63.865869][ T5830] ocfs2_fill_super+0xf9c/0x5750 [ 63.870812][ T5830] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 63.876242][ T5830] ? __pfx_validate_chain+0x10/0x10 [ 63.881435][ T5830] ? __pfx_validate_chain+0x10/0x10 [ 63.886638][ T5830] ? validate_chain+0x11e/0x5920 [ 63.891574][ T5830] ? __lock_acquire+0x1384/0x2050 [ 63.896622][ T5830] ? __pfx_validate_chain+0x10/0x10 [ 63.901844][ T5830] ? string+0x26a/0x2b0 [ 63.906026][ T5830] ? widen_string+0x3a/0x310 [ 63.910625][ T5830] ? string+0x26a/0x2b0 [ 63.914793][ T5830] ? bdev_name+0x2b1/0x3c0 [ 63.919208][ T5830] ? pointer+0x703/0x1210 [ 63.923553][ T5830] ? __pfx_pointer+0x10/0x10 [ 63.928150][ T5830] ? __pfx_format_decode+0x10/0x10 [ 63.933272][ T5830] ? __lock_acquire+0x1384/0x2050 [ 63.938305][ T5830] ? vsnprintf+0x1ccd/0x1da0 [ 63.942997][ T5830] ? snprintf+0xda/0x120 [ 63.947242][ T5830] ? __pfx_lock_release+0x10/0x10 [ 63.952362][ T5830] ? do_raw_spin_lock+0x14f/0x370 [ 63.957393][ T5830] ? __pfx_snprintf+0x10/0x10 [ 63.962073][ T5830] ? set_blocksize+0x1f9/0x360 [ 63.966844][ T5830] ? sb_set_blocksize+0x98/0xf0 [ 63.971694][ T5830] ? setup_bdev_super+0x4e6/0x5d0 [ 63.976721][ T5830] mount_bdev+0x20a/0x2d0 [ 63.981053][ T5830] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 63.986429][ T5830] ? __pfx_mount_bdev+0x10/0x10 [ 63.991304][ T5830] ? vfs_parse_fs_string+0x190/0x230 [ 63.996609][ T5830] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 64.002278][ T5830] legacy_get_tree+0xee/0x190 [ 64.006985][ T5830] ? __pfx_ocfs2_mount+0x10/0x10 [ 64.011933][ T5830] vfs_get_tree+0x90/0x2b0 [ 64.016363][ T5830] do_new_mount+0x2be/0xb40 [ 64.020874][ T5830] ? __pfx_do_new_mount+0x10/0x10 [ 64.025903][ T5830] __se_sys_mount+0x2d6/0x3c0 [ 64.030584][ T5830] ? __pfx___se_sys_mount+0x10/0x10 [ 64.035790][ T5830] ? do_syscall_64+0x100/0x230 [ 64.040576][ T5830] ? __x64_sys_mount+0x20/0xc0 [ 64.045342][ T5830] do_syscall_64+0xf3/0x230 [ 64.049843][ T5830] ? clear_bhb_loop+0x35/0x90 [ 64.054534][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.060425][ T5830] RIP: 0033:0x7f4a12ec716a [ 64.064835][ T5830] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 64.084436][ T5830] RSP: 002b:00007ffd65da8648 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 64.092850][ T5830] RAX: ffffffffffffffda RBX: 00007ffd65da8660 RCX: 00007f4a12ec716a [ 64.100819][ T5830] RDX: 00000000200002c0 RSI: 0000000020000040 RDI: 00007ffd65da8660 [ 64.108786][ T5830] RBP: 0000000000000004 R08: 00007ffd65da86a0 R09: 0000000000004434 [ 64.116839][ T5830] R10: 00000000000008c0 R11: 0000000000000282 R12: 00000000000008c0 [ 64.124804][ T5830] R13: 00007ffd65da86a0 R14: 0000000000000003 R15: 0000000001000000 [ 64.132794][ T5830] [ 64.136141][ T5830] Kernel Offset: disabled [ 64.140496][ T5830] Rebooting in 86400 seconds..