./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3457233046 <...> Warning: Permanently added '10.128.1.255' (ED25519) to the list of known hosts. execve("./syz-executor3457233046", ["./syz-executor3457233046"], 0x7ffecca4a670 /* 10 vars */) = 0 brk(NULL) = 0x55556dea5000 brk(0x55556dea5d00) = 0x55556dea5d00 arch_prctl(ARCH_SET_FS, 0x55556dea5380) = 0 set_tid_address(0x55556dea5650) = 5222 set_robust_list(0x55556dea5660, 24) = 0 rseq(0x55556dea5ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3457233046", 4096) = 28 getrandom("\x02\x9d\x1d\x85\x48\xa6\x97\x69", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556dea5d00 brk(0x55556dec6d00) = 0x55556dec6d00 brk(0x55556dec7000) = 0x55556dec7000 mprotect(0x7fecc6cc7000, 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 executing program write(1, "executing program\n", 18) = 18 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecbe800000 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\xff\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 munmap(0x7fecbe800000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file1", 0777) = 0 [ 55.874677][ T5222] loop0: detected capacity change from 0 to 32768 [ 55.898367][ T5222] ======================================================= [ 55.898367][ T5222] WARNING: The mand mount option has been deprecated and [ 55.898367][ T5222] and is ignored by this kernel. Remove the mand [ 55.898367][ T5222] option from the mount to silence this warning. [ 55.898367][ T5222] ======================================================= [ 55.937445][ T5222] ------------[ cut here ]------------ [ 55.943058][ T5222] UBSAN: shift-out-of-bounds in fs/ocfs2/super.c:2336:10 [ 55.950154][ T5222] shift exponent 4278976521 is too large for 32-bit type 'int' [ 55.957782][ T5222] CPU: 1 UID: 0 PID: 5222 Comm: syz-executor345 Not tainted 6.12.0-rc2-syzkaller-00305-g7234e2ea0edd #0 [ 55.969001][ T5222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 55.979066][ T5222] Call Trace: [ 55.982332][ T5222] [ 55.985340][ T5222] dump_stack_lvl+0x241/0x360 [ 55.990036][ T5222] ? __pfx_dump_stack_lvl+0x10/0x10 [ 55.995224][ T5222] ? __pfx__printk+0x10/0x10 [ 55.999818][ T5222] ? __asan_memset+0x23/0x50 [ 56.004395][ T5222] ? lockdep_init_map_type+0xa1/0x910 [ 56.009762][ T5222] __ubsan_handle_shift_out_of_bounds+0x3c8/0x420 [ 56.016185][ T5222] ocfs2_fill_super+0xf9c/0x5750 [ 56.021117][ T5222] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 56.026478][ T5222] ? __pfx_validate_chain+0x10/0x10 [ 56.031665][ T5222] ? __pfx_validate_chain+0x10/0x10 [ 56.036862][ T5222] ? validate_chain+0x11e/0x5920 [ 56.041791][ T5222] ? __lock_acquire+0x1384/0x2050 [ 56.046807][ T5222] ? __pfx_validate_chain+0x10/0x10 [ 56.051995][ T5222] ? string+0x26a/0x2b0 [ 56.056160][ T5222] ? widen_string+0x3a/0x310 [ 56.060764][ T5222] ? string+0x26a/0x2b0 [ 56.064909][ T5222] ? bdev_name+0x2b1/0x3c0 [ 56.069329][ T5222] ? pointer+0x703/0x1210 [ 56.073647][ T5222] ? __pfx_pointer+0x10/0x10 [ 56.078254][ T5222] ? __pfx_format_decode+0x10/0x10 [ 56.083348][ T5222] ? __lock_acquire+0x1384/0x2050 [ 56.088456][ T5222] ? vsnprintf+0x1ccd/0x1da0 [ 56.093057][ T5222] ? snprintf+0xda/0x120 [ 56.097286][ T5222] ? __pfx_lock_release+0x10/0x10 [ 56.102302][ T5222] ? do_raw_spin_lock+0x14f/0x370 [ 56.107326][ T5222] ? __pfx_snprintf+0x10/0x10 [ 56.112009][ T5222] ? set_blocksize+0x1f9/0x360 [ 56.116763][ T5222] ? sb_set_blocksize+0x98/0xf0 [ 56.121597][ T5222] ? setup_bdev_super+0x4e6/0x5d0 [ 56.126618][ T5222] mount_bdev+0x20a/0x2d0 [ 56.130936][ T5222] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 56.136308][ T5222] ? __pfx_mount_bdev+0x10/0x10 [ 56.141169][ T5222] ? vfs_parse_fs_string+0x190/0x230 [ 56.146469][ T5222] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 56.152114][ T5222] legacy_get_tree+0xee/0x190 [ 56.156788][ T5222] ? __pfx_ocfs2_mount+0x10/0x10 [ 56.161726][ T5222] vfs_get_tree+0x90/0x2b0 [ 56.166144][ T5222] do_new_mount+0x2be/0xb40 [ 56.170654][ T5222] ? __pfx_do_new_mount+0x10/0x10 [ 56.175693][ T5222] __se_sys_mount+0x2d6/0x3c0 [ 56.180370][ T5222] ? __pfx___se_sys_mount+0x10/0x10 [ 56.185557][ T5222] ? do_syscall_64+0x100/0x230 [ 56.190309][ T5222] ? __x64_sys_mount+0x20/0xc0 [ 56.195067][ T5222] do_syscall_64+0xf3/0x230 [ 56.199599][ T5222] ? clear_bhb_loop+0x35/0x90 [ 56.204266][ T5222] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 56.210165][ T5222] RIP: 0033:0x7fecc6c51cba [ 56.214802][ T5222] 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 [ 56.234951][ T5222] RSP: 002b:00007ffcd4fc0b18 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 56.243359][ T5222] RAX: ffffffffffffffda RBX: 00007ffcd4fc0b30 RCX: 00007fecc6c51cba [ 56.251408][ T5222] RDX: 0000000020004440 RSI: 0000000020000040 RDI: 00007ffcd4fc0b30 [ 56.259372][ T5222] RBP: 0000000000000004 R08: 00007ffcd4fc0b70 R09: 0000000000004424 [ 56.267335][ T5222] R10: 00000000000008c0 R11: 0000000000000282 R12: 00000000000008c0 [ 56.275480][ T5222] R13: 00007ffcd4fc0b70 R14: 0000000000000003 R15: 0000000001000000 [ 56.283458][ T5222] [ 56.287622][ T5222] ---[ end trace ]--- [ 56.291639][ T5222] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 56.298930][ T5222] CPU: 1 UID: 0 PID: 5222 Comm: syz-executor345 Not tainted 6.12.0-rc2-syzkaller-00305-g7234e2ea0edd #0 [ 56.310043][ T5222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 56.320231][ T5222] Call Trace: [ 56.323504][ T5222] [ 56.326428][ T5222] dump_stack_lvl+0x241/0x360 [ 56.331109][ T5222] ? __pfx_dump_stack_lvl+0x10/0x10 [ 56.336310][ T5222] ? __pfx__printk+0x10/0x10 [ 56.340884][ T5222] ? lockdep_hardirqs_on+0x99/0x150 [ 56.346090][ T5222] ? vscnprintf+0x5d/0x90 [ 56.350410][ T5222] panic+0x349/0x880 [ 56.354301][ T5222] ? check_panic_on_warn+0x21/0xb0 [ 56.359416][ T5222] ? __pfx_panic+0x10/0x10 [ 56.364113][ T5222] ? _printk+0xd5/0x120 [ 56.368276][ T5222] ? __pfx__printk+0x10/0x10 [ 56.372915][ T5222] ? __asan_memset+0x23/0x50 [ 56.377600][ T5222] check_panic_on_warn+0x86/0xb0 [ 56.382631][ T5222] __ubsan_handle_shift_out_of_bounds+0x3e7/0x420 [ 56.389049][ T5222] ocfs2_fill_super+0xf9c/0x5750 [ 56.394024][ T5222] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 56.399412][ T5222] ? __pfx_validate_chain+0x10/0x10 [ 56.404605][ T5222] ? __pfx_validate_chain+0x10/0x10 [ 56.409806][ T5222] ? validate_chain+0x11e/0x5920 [ 56.414746][ T5222] ? __lock_acquire+0x1384/0x2050 [ 56.420001][ T5222] ? __pfx_validate_chain+0x10/0x10 [ 56.425228][ T5222] ? string+0x26a/0x2b0 [ 56.429387][ T5222] ? widen_string+0x3a/0x310 [ 56.433974][ T5222] ? string+0x26a/0x2b0 [ 56.438117][ T5222] ? bdev_name+0x2b1/0x3c0 [ 56.442571][ T5222] ? pointer+0x703/0x1210 [ 56.446906][ T5222] ? __pfx_pointer+0x10/0x10 [ 56.451501][ T5222] ? __pfx_format_decode+0x10/0x10 [ 56.456602][ T5222] ? __lock_acquire+0x1384/0x2050 [ 56.461620][ T5222] ? vsnprintf+0x1ccd/0x1da0 [ 56.466224][ T5222] ? snprintf+0xda/0x120 [ 56.470481][ T5222] ? __pfx_lock_release+0x10/0x10 [ 56.475506][ T5222] ? do_raw_spin_lock+0x14f/0x370 [ 56.480528][ T5222] ? __pfx_snprintf+0x10/0x10 [ 56.485208][ T5222] ? set_blocksize+0x1f9/0x360 [ 56.489968][ T5222] ? sb_set_blocksize+0x98/0xf0 [ 56.494805][ T5222] ? setup_bdev_super+0x4e6/0x5d0 [ 56.499826][ T5222] mount_bdev+0x20a/0x2d0 [ 56.504147][ T5222] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 56.509599][ T5222] ? __pfx_mount_bdev+0x10/0x10 [ 56.514444][ T5222] ? vfs_parse_fs_string+0x190/0x230 [ 56.519721][ T5222] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 56.525782][ T5222] legacy_get_tree+0xee/0x190 [ 56.530489][ T5222] ? __pfx_ocfs2_mount+0x10/0x10 [ 56.535418][ T5222] vfs_get_tree+0x90/0x2b0 [ 56.539823][ T5222] do_new_mount+0x2be/0xb40 [ 56.544332][ T5222] ? __pfx_do_new_mount+0x10/0x10 [ 56.549383][ T5222] __se_sys_mount+0x2d6/0x3c0 [ 56.554147][ T5222] ? __pfx___se_sys_mount+0x10/0x10 [ 56.559340][ T5222] ? do_syscall_64+0x100/0x230 [ 56.564205][ T5222] ? __x64_sys_mount+0x20/0xc0 [ 56.568992][ T5222] do_syscall_64+0xf3/0x230 [ 56.573520][ T5222] ? clear_bhb_loop+0x35/0x90 [ 56.578289][ T5222] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 56.584189][ T5222] RIP: 0033:0x7fecc6c51cba [ 56.588598][ T5222] 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 [ 56.608811][ T5222] RSP: 002b:00007ffcd4fc0b18 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 56.617304][ T5222] RAX: ffffffffffffffda RBX: 00007ffcd4fc0b30 RCX: 00007fecc6c51cba [ 56.625275][ T5222] RDX: 0000000020004440 RSI: 0000000020000040 RDI: 00007ffcd4fc0b30 [ 56.633237][ T5222] RBP: 0000000000000004 R08: 00007ffcd4fc0b70 R09: 0000000000004424 [ 56.641216][ T5222] R10: 00000000000008c0 R11: 0000000000000282 R12: 00000000000008c0 [ 56.649308][ T5222] R13: 00007ffcd4fc0b70 R14: 0000000000000003 R15: 0000000001000000 [ 56.657361][ T5222] [ 56.660683][ T5222] Kernel Offset: disabled [ 56.665042][ T5222] Rebooting in 86400 seconds..