./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3107849444 <...> Warning: Permanently added '10.128.0.196' (ED25519) to the list of known hosts. execve("./syz-executor3107849444", ["./syz-executor3107849444"], 0x7ffc0f4a0690 /* 10 vars */) = 0 brk(NULL) = 0x5555807fa000 brk(0x5555807fad00) = 0x5555807fad00 arch_prctl(ARCH_SET_FS, 0x5555807fa380) = 0 set_tid_address(0x5555807fa650) = 5825 set_robust_list(0x5555807fa660, 24) = 0 rseq(0x5555807faca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3107849444", 4096) = 28 getrandom("\xb1\x25\x1f\x7c\xd0\x44\x7e\xda", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555807fad00 brk(0x55558081bd00) = 0x55558081bd00 brk(0x55558081c000) = 0x55558081c000 mprotect(0x7f780010b000, 16384, PROT_READ) = 0 mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000 mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000 mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000 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 5826 attached [pid 5826] set_robust_list(0x5555807fa660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x5555807fa650) = 5826 [pid 5826] <... set_robust_list resumed>) = 0 [pid 5826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5826] setpgid(0, 0) = 0 [pid 5826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] write(3, "1000", 4) = 4 [pid 5826] close(3) = 0 executing program [pid 5826] write(1, "executing program\n", 18) = 18 [pid 5826] memfd_create("syzkaller", 0) = 3 [pid 5826] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f77f7c00000 [pid 5826] 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 5826] munmap(0x7f77f7c00000, 138412032) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5826] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5826] close(3) = 0 [pid 5826] close(4) = 0 [pid 5826] mkdir("./file0", 0777) = 0 [ 63.128534][ T5826] loop0: detected capacity change from 0 to 32768 [ 63.153362][ T5826] ======================================================= [ 63.153362][ T5826] WARNING: The mand mount option has been deprecated and [ 63.153362][ T5826] and is ignored by this kernel. Remove the mand [pid 5826] mount("/dev/loop0", "./file0", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5826] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5826] chdir("./file0") = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 63.153362][ T5826] option from the mount to silence this warning. [ 63.153362][ T5826] ======================================================= [ 63.198888][ T5826] ocfs2: Slot 0 on device (7,0) was already allocated to this node! [ 63.213337][ T5826] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 63.235066][ T5826] ------------[ cut here ]------------ [ 63.240707][ T5826] kernel BUG at fs/ocfs2/suballoc.c:1441! [ 63.246534][ T5826] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 63.253503][ T5826] CPU: 0 UID: 0 PID: 5826 Comm: syz-executor310 Not tainted 6.14.0-rc1-syzkaller-00187-g8f6629c004b1 #0 [ 63.264597][ T5826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 63.274656][ T5826] RIP: 0010:ocfs2_claim_suballoc_bits+0x240c/0x2560 [ 63.281271][ T5826] Code: ba c9 03 fe 90 0f 0b e8 b2 c9 03 fe 90 0f 0b e8 aa c9 03 fe 90 0f 0b e8 a2 c9 03 fe 90 0f 0b e8 3a 74 32 08 e8 95 c9 03 fe 90 <0f> 0b e8 8d c9 03 fe 90 0f 0b f3 0f 1e fa 4d 89 f5 65 8b 1d c8 40 [ 63.300865][ T5826] RSP: 0018:ffffc90003f3f220 EFLAGS: 00010293 [ 63.306967][ T5826] RAX: ffffffff83bb942b RBX: 0000000000000000 RCX: ffff88807b2c8000 [ 63.314933][ T5826] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.322889][ T5826] RBP: ffffc90003f3f4d0 R08: ffffffff83bb7f15 R09: 0000000000000000 [ 63.330866][ T5826] R10: ffffc90003f3f560 R11: fffff520007e7eb1 R12: dffffc0000000000 [ 63.338823][ T5826] R13: ffff888144332b08 R14: ffff888075d67400 R15: 0000000000000002 [ 63.346776][ T5826] FS: 00005555807fa380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 63.355686][ T5826] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.362257][ T5826] CR2: 0000400000002040 CR3: 000000007d08a000 CR4: 00000000003526f0 [ 63.370233][ T5826] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.378205][ T5826] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.386190][ T5826] Call Trace: [ 63.389494][ T5826] [ 63.392421][ T5826] ? __die_body+0x5f/0xb0 [ 63.396761][ T5826] ? die+0x9e/0xc0 [ 63.400477][ T5826] ? do_trap+0x15a/0x3a0 [ 63.404709][ T5826] ? ocfs2_claim_suballoc_bits+0x240c/0x2560 [ 63.410681][ T5826] ? do_error_trap+0x1dc/0x2c0 [ 63.415435][ T5826] ? ocfs2_claim_suballoc_bits+0x240c/0x2560 [ 63.421405][ T5826] ? __pfx_validate_chain+0x10/0x10 [ 63.426599][ T5826] ? __pfx_do_error_trap+0x10/0x10 [ 63.431700][ T5826] ? handle_invalid_op+0x34/0x40 [ 63.436627][ T5826] ? ocfs2_claim_suballoc_bits+0x240c/0x2560 [ 63.442602][ T5826] ? exc_invalid_op+0x38/0x50 [ 63.447282][ T5826] ? asm_exc_invalid_op+0x1a/0x20 [ 63.452300][ T5826] ? ocfs2_claim_suballoc_bits+0xef5/0x2560 [ 63.458274][ T5826] ? ocfs2_claim_suballoc_bits+0x240b/0x2560 [ 63.464245][ T5826] ? ocfs2_claim_suballoc_bits+0x240c/0x2560 [ 63.470304][ T5826] ? mark_lock+0x9a/0x360 [ 63.474631][ T5826] ? __lock_acquire+0x1397/0x2100 [ 63.479653][ T5826] ? __pfx_ocfs2_claim_suballoc_bits+0x10/0x10 [ 63.485806][ T5826] ? mark_lock+0x9a/0x360 [ 63.490126][ T5826] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 63.496099][ T5826] ocfs2_claim_new_inode+0x338/0x870 [ 63.501379][ T5826] ? __pfx_ocfs2_claim_new_inode+0x10/0x10 [ 63.507180][ T5826] ? __set_current_blocked+0x310/0x380 [ 63.512653][ T5826] ? __pfx___set_current_blocked+0x10/0x10 [ 63.518450][ T5826] ? rcu_is_watching+0x15/0xb0 [ 63.523214][ T5826] ocfs2_mknod_locked+0x17a/0x3b0 [ 63.528228][ T5826] ? __pfx_sigprocmask+0x10/0x10 [ 63.533152][ T5826] ? __pfx_ocfs2_mknod_locked+0x10/0x10 [ 63.538705][ T5826] ? ocfs2_start_trans+0x4e3/0x700 [ 63.543836][ T5826] ? __pfx_ocfs2_block_signals+0x10/0x10 [ 63.549469][ T5826] ? ocfs2_init_security_get+0x9e/0x1a0 [ 63.555030][ T5826] ocfs2_mknod+0x17d4/0x2b30 [ 63.559641][ T5826] ? __pfx_validate_chain+0x10/0x10 [ 63.564845][ T5826] ? __pfx_ocfs2_mknod+0x10/0x10 [ 63.569782][ T5826] ? __lock_acquire+0x1397/0x2100 [ 63.574809][ T5826] ? __lock_acquire+0x1397/0x2100 [ 63.579829][ T5826] ? __pfx_lock_acquire+0x10/0x10 [ 63.584842][ T5826] ? smack_log+0x10d/0x5c0 [ 63.589248][ T5826] ? __pfx_smack_log+0x10/0x10 [ 63.594085][ T5826] ? smk_access+0x4ab/0x4e0 [ 63.598578][ T5826] ? smk_tskacc+0x300/0x370 [ 63.603071][ T5826] ? smack_inode_permission+0x2dc/0x380 [ 63.608608][ T5826] ? __pfx_smack_inode_permission+0x10/0x10 [ 63.614489][ T5826] ? d_alloc+0x142/0x190 [ 63.618728][ T5826] ocfs2_mkdir+0x1ab/0x470 [ 63.623136][ T5826] ? __pfx_ocfs2_mkdir+0x10/0x10 [ 63.628062][ T5826] ? bpf_lsm_inode_mkdir+0x9/0x10 [ 63.633076][ T5826] ? security_inode_mkdir+0xbe/0x340 [ 63.638348][ T5826] vfs_mkdir+0x2f9/0x4f0 [ 63.642579][ T5826] do_mkdirat+0x264/0x3a0 [ 63.646894][ T5826] ? __check_object_size+0x47a/0x730 [ 63.652171][ T5826] ? __pfx_do_mkdirat+0x10/0x10 [ 63.657010][ T5826] ? getname_flags+0x1e3/0x540 [ 63.661762][ T5826] __x64_sys_mkdirat+0x87/0xa0 [ 63.666513][ T5826] do_syscall_64+0xf3/0x230 [ 63.671007][ T5826] ? clear_bhb_loop+0x35/0x90 [ 63.675675][ T5826] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.681560][ T5826] RIP: 0033:0x7f7800093a99 [ 63.685979][ T5826] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 [ 63.705570][ T5826] RSP: 002b:00007ffc82fe5058 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 63.713978][ T5826] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f7800093a99 [ 63.721936][ T5826] RDX: 0000000000000000 RSI: 0000400000002040 RDI: 00000000ffffff9c [ 63.729916][ T5826] RBP: 00007f780010b5f0 R08: 000000000000444d R09: 00005555807fb4c0 [ 63.737901][ T5826] R10: 00007ffc82fe4f20 R11: 0000000000000246 R12: 00007ffc82fe5080 [ 63.745863][ T5826] R13: 00007ffc82fe52a8 R14: 431bde82d7b634db R15: 00007f78000dc03b [ 63.753829][ T5826] [ 63.756834][ T5826] Modules linked in: [ 63.761008][ T5826] ---[ end trace 0000000000000000 ]--- [ 63.766571][ T5826] RIP: 0010:ocfs2_claim_suballoc_bits+0x240c/0x2560 [ 63.773243][ T5826] Code: ba c9 03 fe 90 0f 0b e8 b2 c9 03 fe 90 0f 0b e8 aa c9 03 fe 90 0f 0b e8 a2 c9 03 fe 90 0f 0b e8 3a 74 32 08 e8 95 c9 03 fe 90 <0f> 0b e8 8d c9 03 fe 90 0f 0b f3 0f 1e fa 4d 89 f5 65 8b 1d c8 40 [ 63.793030][ T5826] RSP: 0018:ffffc90003f3f220 EFLAGS: 00010293 [ 63.799175][ T5826] RAX: ffffffff83bb942b RBX: 0000000000000000 RCX: ffff88807b2c8000 [ 63.807177][ T5826] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.815135][ T5826] RBP: ffffc90003f3f4d0 R08: ffffffff83bb7f15 R09: 0000000000000000 [ 63.823129][ T5826] R10: ffffc90003f3f560 R11: fffff520007e7eb1 R12: dffffc0000000000 [ 63.831130][ T5826] R13: ffff888144332b08 R14: ffff888075d67400 R15: 0000000000000002 [ 63.839122][ T5826] FS: 00005555807fa380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 63.848080][ T5826] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.854647][ T5826] CR2: 0000000017134538 CR3: 000000007d08a000 CR4: 00000000003526f0 [ 63.862631][ T5826] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.870628][ T5826] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.878892][ T5826] Kernel panic - not syncing: Fatal exception [ 63.885244][ T5826] Kernel Offset: disabled [ 63.889556][ T5826] Rebooting in 86400 seconds..