./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor123145802 <...> Warning: Permanently added '10.128.0.151' (ED25519) to the list of known hosts. execve("./syz-executor123145802", ["./syz-executor123145802"], 0x7fffb9b9b3c0 /* 10 vars */) = 0 brk(NULL) = 0x555571e98000 brk(0x555571e98d00) = 0x555571e98d00 arch_prctl(ARCH_SET_FS, 0x555571e98380) = 0 set_tid_address(0x555571e98650) = 5828 set_robust_list(0x555571e98660, 24) = 0 rseq(0x555571e98ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor123145802", 4096) = 27 getrandom("\xd9\x8b\xcf\x2f\x93\xe8\xa4\xdb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555571e98d00 brk(0x555571eb9d00) = 0x555571eb9d00 brk(0x555571eba000) = 0x555571eba000 mprotect(0x7f3204acf000, 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) = 0x7f31fc600000 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 munmap(0x7f31fc600000, 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 [ 62.499517][ T5828] loop0: detected capacity change from 0 to 32768 mount("/dev/loop0", "./file1", "ocfs2", MS_NOATIME|MS_I_VERSION|MS_LAZYTIME, "localalloc=18446744073709551608,resv_level=00000000000000000002,heartbeat=none,coherency=buffered,er"...) = 0 openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 chdir("./file1") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, ".", O_RDONLY) = 4 [ 62.559168][ T5828] JBD2: Ignoring recovery information on journal [ 62.585025][ T5828] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. ioctl(4, _IOC(_IOC_WRITE, 0x6f, 0x2, 0x18), 0x20000080) = -1 EINVAL (Invalid argument) [ 62.611783][ T5828] (syz-executor123,5828,1):ocfs2_verify_group_and_input:428 ERROR: add a group which is in the current volume. [ 62.623702][ T5828] (syz-executor123,5828,1):ocfs2_group_add:511 ERROR: status = -22 [ 62.643158][ T5828] ------------[ cut here ]------------ [ 62.648732][ T5828] kernel BUG at fs/ocfs2/uptodate.c:509! [ 62.654507][ T5828] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 62.661470][ T5828] CPU: 1 UID: 0 PID: 5828 Comm: syz-executor123 Not tainted 6.12.0-rc5-syzkaller-00005-ge42b1a9a2557 #0 [ 62.672561][ T5828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 62.682611][ T5828] RIP: 0010:ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 62.689385][ T5828] Code: 03 42 80 3c 20 00 74 08 48 89 df e8 f5 96 61 fe 4c 8b 1b 4c 89 ff 5b 41 5c 41 5d 41 5e 41 5f 41 ff e3 cc 90 e8 cc fd fa fd 90 <0f> 0b e8 c4 fd fa fd 90 0f 0b e8 bc fd fa fd 90 0f 0b e8 b4 fd fa [ 62.708987][ T5828] RSP: 0018:ffffc90003b9fa50 EFLAGS: 00010293 [ 62.715047][ T5828] RAX: ffffffff8399da64 RBX: 0000000000000001 RCX: ffff888023dabc00 [ 62.723020][ T5828] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 62.731067][ T5828] RBP: ffffc90003b9fcf0 R08: ffffffff8399d94e R09: 1ffffffff2037ad5 [ 62.739030][ T5828] R10: dffffc0000000000 R11: fffffbfff2037ad6 R12: dffffc0000000000 [ 62.746994][ T5828] R13: 1ffff92000773f68 R14: ffff888066b510e8 R15: ffff888066bc8830 [ 62.755012][ T5828] FS: 0000555571e98380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 62.763949][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.770524][ T5828] CR2: 00005654c69618d0 CR3: 000000007b2e4000 CR4: 00000000003526f0 [ 62.778490][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.786451][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.794416][ T5828] Call Trace: [ 62.797687][ T5828] [ 62.800610][ T5828] ? __die_body+0x5f/0xb0 [ 62.804936][ T5828] ? die+0x9e/0xc0 [ 62.808645][ T5828] ? do_trap+0x15a/0x3a0 [ 62.812882][ T5828] ? ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 62.819032][ T5828] ? do_error_trap+0x1dc/0x2c0 [ 62.823785][ T5828] ? ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 62.829944][ T5828] ? __pfx_do_error_trap+0x10/0x10 [ 62.835051][ T5828] ? handle_invalid_op+0x34/0x40 [ 62.839981][ T5828] ? ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 62.846123][ T5828] ? exc_invalid_op+0x38/0x50 [ 62.850803][ T5828] ? asm_exc_invalid_op+0x1a/0x20 [ 62.855823][ T5828] ? ocfs2_set_new_buffer_uptodate+0x2e/0x160 [ 62.861905][ T5828] ? ocfs2_set_new_buffer_uptodate+0x144/0x160 [ 62.868052][ T5828] ? ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 62.874200][ T5828] ocfs2_group_add+0x39f/0x15a0 [ 62.879138][ T5828] ? __pfx_ocfs2_group_add+0x10/0x10 [ 62.884411][ T5828] ? __pfx_lock_acquire+0x10/0x10 [ 62.889430][ T5828] ? mnt_get_write_access+0x68/0x2b0 [ 62.894724][ T5828] ? __pfx_lock_release+0x10/0x10 [ 62.899762][ T5828] ? rcu_read_lock_any_held+0xb7/0x160 [ 62.905217][ T5828] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 62.911106][ T5828] ? smack_log+0x123/0x540 [ 62.915524][ T5828] ? mnt_get_write_access+0x68/0x2b0 [ 62.920803][ T5828] ? mnt_get_write_access+0x68/0x2b0 [ 62.926079][ T5828] ? mnt_get_write_access+0x226/0x2b0 [ 62.931445][ T5828] ocfs2_ioctl+0x65e/0x7d0 [ 62.935862][ T5828] ? __pfx_ocfs2_ioctl+0x10/0x10 [ 62.940791][ T5828] ? smack_file_ioctl+0x29e/0x3a0 [ 62.945806][ T5828] ? __pfx_smack_file_ioctl+0x10/0x10 [ 62.951184][ T5828] ? __pfx_ptrace_notify+0x10/0x10 [ 62.956292][ T5828] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 62.962788][ T5828] ? __pfx_ocfs2_ioctl+0x10/0x10 [ 62.967718][ T5828] __se_sys_ioctl+0xf9/0x170 [ 62.972304][ T5828] do_syscall_64+0xf3/0x230 [ 62.976822][ T5828] ? clear_bhb_loop+0x35/0x90 [ 62.981539][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.987435][ T5828] RIP: 0033:0x7f3204a587b9 [ 62.991864][ T5828] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 63.011472][ T5828] RSP: 002b:00007fff12acab78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 63.019882][ T5828] RAX: ffffffffffffffda RBX: 3333222211110000 RCX: 00007f3204a587b9 [ 63.027845][ T5828] RDX: 0000000020000080 RSI: 0000000040186f02 RDI: 0000000000000004 [ 63.035811][ T5828] RBP: 00007f3204acf610 R08: 00007fff12acad48 R09: 00007fff12acad48 [ 63.043776][ T5828] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 63.051737][ T5828] R13: 00007fff12acad38 R14: 0000000000000001 R15: 0000000000000001 [ 63.059701][ T5828] [ 63.062707][ T5828] Modules linked in: [ 63.066778][ T5828] ---[ end trace 0000000000000000 ]--- [ 63.072368][ T5828] RIP: 0010:ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 63.079173][ T5828] Code: 03 42 80 3c 20 00 74 08 48 89 df e8 f5 96 61 fe 4c 8b 1b 4c 89 ff 5b 41 5c 41 5d 41 5e 41 5f 41 ff e3 cc 90 e8 cc fd fa fd 90 <0f> 0b e8 c4 fd fa fd 90 0f 0b e8 bc fd fa fd 90 0f 0b e8 b4 fd fa [ 63.099181][ T5828] RSP: 0018:ffffc90003b9fa50 EFLAGS: 00010293 [ 63.105340][ T5828] RAX: ffffffff8399da64 RBX: 0000000000000001 RCX: ffff888023dabc00 [ 63.113477][ T5828] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 63.121512][ T5828] RBP: ffffc90003b9fcf0 R08: ffffffff8399d94e R09: 1ffffffff2037ad5 [ 63.129472][ T5828] R10: dffffc0000000000 R11: fffffbfff2037ad6 R12: dffffc0000000000 [ 63.137496][ T5828] R13: 1ffff92000773f68 R14: ffff888066b510e8 R15: ffff888066bc8830 [ 63.145499][ T5828] FS: 0000555571e98380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 63.154515][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.161139][ T5828] CR2: 000000000045e620 CR3: 000000007b2e4000 CR4: 00000000003526f0 [ 63.169100][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.177122][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.185156][ T5828] Kernel panic - not syncing: Fatal exception [ 63.191469][ T5828] Kernel Offset: disabled [ 63.195834][ T5828] Rebooting in 86400 seconds..