./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor37569189 <...> Warning: Permanently added '10.128.1.50' (ED25519) to the list of known hosts. execve("./syz-executor37569189", ["./syz-executor37569189"], 0x7ffffba8a190 /* 10 vars */) = 0 brk(NULL) = 0x5555562f5000 brk(0x5555562f5d00) = 0x5555562f5d00 arch_prctl(ARCH_SET_FS, 0x5555562f5380) = 0 set_tid_address(0x5555562f5650) = 5839 set_robust_list(0x5555562f5660, 24) = 0 rseq(0x5555562f5ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor37569189", 4096) = 26 getrandom("\xc4\xf4\x80\xd6\x00\xc7\xdd\x73", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555562f5d00 brk(0x555556316d00) = 0x555556316d00 brk(0x555556317000) = 0x555556317000 mprotect(0x7fa69dd26000, 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 5840 attached [pid 5840] set_robust_list(0x5555562f5660, 24 [pid 5839] <... clone resumed>, child_tidptr=0x5555562f5650) = 5840 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5840] setpgid(0, 0) = 0 [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1000", 4) = 4 [pid 5840] close(3) = 0 executing program [pid 5840] write(1, "executing program\n", 18) = 18 [pid 5840] memfd_create("syzkaller", 0) = 3 [pid 5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa695800000 [pid 5840] 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 5840] munmap(0x7fa695800000, 138412032) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5840] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5840] close(3) = 0 [pid 5840] close(4) = 0 [pid 5840] mkdir("./file1", 0777) = 0 [ 60.327028][ T5840] loop0: detected capacity change from 0 to 32768 [ 60.370687][ T5840] (syz-executor375,5840,0):ocfs2_read_locked_inode:536 ERROR: bug expression: !!(fe->i_flags & cpu_to_le32(OCFS2_SYSTEM_FL)) != !!(args->fi_flags & OCFS2_FI_FLAG_SYSFILE) [ 60.387923][ T5840] (syz-executor375,5840,0):ocfs2_read_locked_inode:536 ERROR: Inode 22: system file state is ambiguous [ 60.399614][ T5840] ------------[ cut here ]------------ [ 60.405321][ T5840] kernel BUG at fs/ocfs2/inode.c:536! [ 60.410711][ T5840] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 60.417639][ T5840] CPU: 0 UID: 0 PID: 5840 Comm: syz-executor375 Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0 [ 60.428398][ T5840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 60.438441][ T5840] RIP: 0010:ocfs2_iget+0x2086/0x2180 [ 60.443744][ T5840] Code: 00 e8 ee dd 7b fe 4c 8b 84 24 c0 01 00 00 4c 89 ff 48 c7 c6 71 a8 11 8e ba 18 02 00 00 48 c7 c1 c0 d8 48 8c e8 7b ca 16 00 90 <0f> 0b e8 c3 26 14 fe 90 0f 0b e8 bb 26 14 fe 31 db 65 ff 0d 7a 1b [ 60.463342][ T5840] RSP: 0018:ffffc90003f16e60 EFLAGS: 00010246 [ 60.469396][ T5840] RAX: 10074fda27f83600 RBX: ffffc90003f16fc0 RCX: 10074fda27f83600 [ 60.477355][ T5840] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 60.485315][ T5840] RBP: ffffc90003f170f0 R08: ffffffff8175714c R09: fffffbfff1cfa8a0 [ 60.493273][ T5840] R10: dffffc0000000000 R11: fffffbfff1cfa8a0 R12: dffffc0000000000 [ 60.501238][ T5840] R13: ffff88805cbd24f8 R14: 1000000000000000 R15: ffffc90003f16fe0 [ 60.509195][ T5840] FS: 00005555562f5380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 60.518115][ T5840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.524686][ T5840] CR2: 00005614cf34e268 CR3: 000000007b048000 CR4: 00000000003526f0 [ 60.532644][ T5840] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.540599][ T5840] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.548558][ T5840] Call Trace: [ 60.551832][ T5840] [ 60.554752][ T5840] ? __die_body+0x5f/0xb0 [ 60.559072][ T5840] ? die+0x9e/0xc0 [ 60.562782][ T5840] ? do_trap+0x15a/0x3a0 [ 60.567016][ T5840] ? ocfs2_iget+0x2086/0x2180 [ 60.571681][ T5840] ? do_error_trap+0x1dc/0x2c0 [ 60.576437][ T5840] ? ocfs2_iget+0x2086/0x2180 [ 60.581098][ T5840] ? __pfx_wake_bit_function+0x10/0x10 [ 60.586546][ T5840] ? __pfx_do_error_trap+0x10/0x10 [ 60.591651][ T5840] ? handle_invalid_op+0x34/0x40 [ 60.596577][ T5840] ? ocfs2_iget+0x2086/0x2180 [ 60.601242][ T5840] ? exc_invalid_op+0x38/0x50 [ 60.605916][ T5840] ? asm_exc_invalid_op+0x1a/0x20 [ 60.610930][ T5840] ? __wake_up_klogd+0xcc/0x110 [ 60.615775][ T5840] ? ocfs2_iget+0x2086/0x2180 [ 60.620439][ T5840] ? __pfx_format_decode+0x10/0x10 [ 60.625540][ T5840] ? __pfx_ocfs2_iget+0x10/0x10 [ 60.630380][ T5840] ? vsnprintf+0x1ccd/0x1da0 [ 60.634960][ T5840] ? ocfs2_find_files_on_disk+0x11a/0x360 [ 60.640673][ T5840] ? ocfs2_lookup_ino_from_name+0x18b/0x1e0 [ 60.646565][ T5840] ocfs2_get_system_file_inode+0x352/0x7b0 [ 60.652364][ T5840] ? __pfx_ocfs2_get_system_file_inode+0x10/0x10 [ 60.658678][ T5840] ? _atomic_dec_and_lock+0x9a/0x130 [ 60.663954][ T5840] ? iput+0x3be/0xa50 [ 60.668016][ T5840] ocfs2_init_global_system_inodes+0x32c/0x730 [ 60.674163][ T5840] ? __pfx_ocfs2_init_global_system_inodes+0x10/0x10 [ 60.680831][ T5840] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 60.686368][ T5840] ? ocfs2_new_dlm_debug+0xb5/0x200 [ 60.691554][ T5840] ? __pfx_ocfs2_new_dlm_debug+0x10/0x10 [ 60.697176][ T5840] ? rcu_is_watching+0x15/0xb0 [ 60.701928][ T5840] ? trace_ocfs2_initialize_super+0x9e/0x230 [ 60.707900][ T5840] ocfs2_fill_super+0x2f5b/0x5760 [ 60.712923][ T5840] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 60.718293][ T5840] ? __pfx_validate_chain+0x10/0x10 [ 60.723485][ T5840] ? __pfx_validate_chain+0x10/0x10 [ 60.728682][ T5840] ? validate_chain+0x11e/0x5920 [ 60.733611][ T5840] ? mark_lock+0x9a/0x360 [ 60.737935][ T5840] ? __pfx_validate_chain+0x10/0x10 [ 60.743140][ T5840] ? string+0x26a/0x2b0 [ 60.747283][ T5840] ? widen_string+0x3a/0x310 [ 60.751861][ T5840] ? string+0x26a/0x2b0 [ 60.756005][ T5840] ? bdev_name+0x2b1/0x3c0 [ 60.760412][ T5840] ? pointer+0x703/0x1210 [ 60.764730][ T5840] ? __pfx_pointer+0x10/0x10 [ 60.769306][ T5840] ? __pfx_format_decode+0x10/0x10 [ 60.774408][ T5840] ? __lock_acquire+0x1397/0x2100 [ 60.779422][ T5840] ? vsnprintf+0x1ccd/0x1da0 [ 60.784006][ T5840] ? snprintf+0xda/0x120 [ 60.788240][ T5840] ? __pfx_lock_release+0x10/0x10 [ 60.793254][ T5840] ? do_raw_spin_lock+0x14f/0x370 [ 60.798279][ T5840] ? __pfx_snprintf+0x10/0x10 [ 60.802949][ T5840] ? set_blocksize+0x1f9/0x360 [ 60.807703][ T5840] ? sb_set_blocksize+0x98/0xf0 [ 60.812543][ T5840] ? setup_bdev_super+0x4e6/0x5d0 [ 60.817559][ T5840] mount_bdev+0x20a/0x2d0 [ 60.821882][ T5840] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 60.827246][ T5840] ? __pfx_mount_bdev+0x10/0x10 [ 60.832090][ T5840] ? vfs_parse_fs_string+0x190/0x230 [ 60.837364][ T5840] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 60.842983][ T5840] legacy_get_tree+0xee/0x190 [ 60.847648][ T5840] ? __pfx_ocfs2_mount+0x10/0x10 [ 60.852575][ T5840] vfs_get_tree+0x90/0x2b0 [ 60.856985][ T5840] do_new_mount+0x2be/0xb40 [ 60.861479][ T5840] ? __pfx_do_new_mount+0x10/0x10 [ 60.866493][ T5840] __se_sys_mount+0x2d6/0x3c0 [ 60.871161][ T5840] ? __pfx___se_sys_mount+0x10/0x10 [ 60.876345][ T5840] ? exc_page_fault+0x590/0x8c0 [ 60.881187][ T5840] ? __x64_sys_mount+0x20/0xc0 [ 60.886024][ T5840] do_syscall_64+0xf3/0x230 [ 60.890514][ T5840] ? clear_bhb_loop+0x35/0x90 [ 60.895176][ T5840] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 60.901063][ T5840] RIP: 0033:0x7fa69dcb00aa [ 60.905475][ T5840] 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 [ 60.925069][ T5840] RSP: 002b:00007ffc2ac9bcf8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 60.933473][ T5840] RAX: ffffffffffffffda RBX: 00007ffc2ac9bd10 RCX: 00007fa69dcb00aa [ 60.941431][ T5840] RDX: 0000000020004480 RSI: 00000000200044c0 RDI: 00007ffc2ac9bd10 [ 60.949389][ T5840] RBP: 0000000000000004 R08: 00007ffc2ac9bd50 R09: 0000000000004475 [ 60.957352][ T5840] R10: 0000000002800400 R11: 0000000000000282 R12: 0000000002800400 [ 60.965310][ T5840] R13: 00007ffc2ac9bd50 R14: 0000000000000003 R15: 0000000001000000 [ 60.973273][ T5840] [ 60.976281][ T5840] Modules linked in: [ 60.980494][ T5840] ---[ end trace 0000000000000000 ]--- [ 60.986114][ T5840] RIP: 0010:ocfs2_iget+0x2086/0x2180 [ 60.991426][ T5840] Code: 00 e8 ee dd 7b fe 4c 8b 84 24 c0 01 00 00 4c 89 ff 48 c7 c6 71 a8 11 8e ba 18 02 00 00 48 c7 c1 c0 d8 48 8c e8 7b ca 16 00 90 <0f> 0b e8 c3 26 14 fe 90 0f 0b e8 bb 26 14 fe 31 db 65 ff 0d 7a 1b [ 61.011394][ T5840] RSP: 0018:ffffc90003f16e60 EFLAGS: 00010246 [ 61.017727][ T5840] RAX: 10074fda27f83600 RBX: ffffc90003f16fc0 RCX: 10074fda27f83600 [ 61.025815][ T5840] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 61.033813][ T5840] RBP: ffffc90003f170f0 R08: ffffffff8175714c R09: fffffbfff1cfa8a0 [ 61.041769][ T5840] R10: dffffc0000000000 R11: fffffbfff1cfa8a0 R12: dffffc0000000000 [ 61.049765][ T5840] R13: ffff88805cbd24f8 R14: 1000000000000000 R15: ffffc90003f16fe0 [ 61.057757][ T5840] FS: 00005555562f5380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 61.066712][ T5840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.073312][ T5840] CR2: 00005614cf34e268 CR3: 000000007b048000 CR4: 00000000003526f0 [ 61.081270][ T5840] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.089278][ T5840] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.097274][ T5840] Kernel panic - not syncing: Fatal exception [ 61.103451][ T5840] Kernel Offset: disabled [ 61.107761][ T5840] Rebooting in 86400 seconds..