./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor27506319 <...> Warning: Permanently added '10.128.0.78' (ED25519) to the list of known hosts. execve("./syz-executor27506319", ["./syz-executor27506319"], 0x7ffd9dd62fb0 /* 10 vars */) = 0 brk(NULL) = 0x555573a7e000 brk(0x555573a7ed00) = 0x555573a7ed00 arch_prctl(ARCH_SET_FS, 0x555573a7e380) = 0 set_tid_address(0x555573a7e650) = 5817 set_robust_list(0x555573a7e660, 24) = 0 rseq(0x555573a7eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor27506319", 4096) = 26 getrandom("\x46\xaf\xb6\xda\x00\x80\xd7\xdc", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555573a7ed00 brk(0x555573a9fd00) = 0x555573a9fd00 brk(0x555573aa0000) = 0x555573aa0000 mprotect(0x7f53678e8000, 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 5818 attached , child_tidptr=0x555573a7e650) = 5818 [pid 5818] set_robust_list(0x555573a7e660, 24) = 0 [pid 5818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5818] setpgid(0, 0) = 0 [pid 5818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5818] write(3, "1000", 4) = 4 [pid 5818] close(3) = 0 [pid 5818] write(1, "executing program\n", 18executing program ) = 18 [pid 5818] memfd_create("syzkaller", 0) = 3 [pid 5818] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f535f400000 [pid 5818] 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 5818] munmap(0x7f535f400000, 138412032) = 0 [pid 5818] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5818] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5818] close(3) = 0 [pid 5818] close(4) = 0 [pid 5818] mkdir("./file1", 0777) = 0 [ 65.634147][ T5818] loop0: detected capacity change from 0 to 32768 [ 65.682236][ T5818] ======================================================= [ 65.682236][ T5818] WARNING: The mand mount option has been deprecated and [ 65.682236][ T5818] and is ignored by this kernel. Remove the mand [ 65.682236][ T5818] option from the mount to silence this warning. [ 65.682236][ T5818] ======================================================= [pid 5818] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,errors=remount-ro,acl"...) = 0 [pid 5818] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5818] chdir("./file1") = 0 [pid 5818] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 65.734078][ T5818] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5818] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 5818] mkdirat(AT_FDCWD, "./cgroup/syz0", 0777) = -1 ENOENT (No such file or directory) [ 65.822764][ T5818] ------------[ cut here ]------------ [ 65.828330][ T5818] kernel BUG at fs/ocfs2/uptodate.c:509! [ 65.834231][ T5818] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 65.841202][ T5818] CPU: 1 UID: 0 PID: 5818 Comm: syz-executor275 Not tainted 6.13.0-rc7-syzkaller-00039-gc3812b15000c #0 [ 65.852337][ T5818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 65.862410][ T5818] RIP: 0010:ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 65.869200][ T5818] Code: 03 42 80 3c 20 00 74 08 48 89 df e8 95 a9 63 fe 4c 8b 1b 4c 89 ff 5b 41 5c 41 5d 41 5e 41 5f 41 ff e3 cc 90 e8 0c cb ff fd 90 <0f> 0b e8 04 cb ff fd 90 0f 0b e8 fc ca ff fd 90 0f 0b e8 f4 ca ff [ 65.888807][ T5818] RSP: 0018:ffffc90003f2fa30 EFLAGS: 00010293 [ 65.894882][ T5818] RAX: ffffffff839fa714 RBX: 0000000000000001 RCX: ffff888031853c00 [ 65.902953][ T5818] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 65.910934][ T5818] RBP: ffffc90003f2fcf0 R08: ffffffff839fa5fe R09: 1ffffffff2030b26 [ 65.919005][ T5818] R10: dffffc0000000000 R11: fffffbfff2030b27 R12: ffff888077074fb8 [ 65.926979][ T5818] R13: dffffc0000000000 R14: ffff888077035488 R15: ffff888077070830 [ 65.934951][ T5818] FS: 0000555573a7e380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 65.943883][ T5818] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.950484][ T5818] CR2: 000000000045e620 CR3: 0000000078212000 CR4: 00000000003526f0 [ 65.958454][ T5818] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.966506][ T5818] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.974828][ T5818] Call Trace: [ 65.978450][ T5818] [ 65.981374][ T5818] ? __die_body+0x5f/0xb0 [ 65.985779][ T5818] ? die+0x9e/0xc0 [ 65.989488][ T5818] ? do_trap+0x15a/0x3a0 [ 65.993719][ T5818] ? ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 65.999862][ T5818] ? do_error_trap+0x1dc/0x2c0 [ 66.004619][ T5818] ? ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 66.010784][ T5818] ? __pfx_do_error_trap+0x10/0x10 [ 66.015909][ T5818] ? handle_invalid_op+0x34/0x40 [ 66.020843][ T5818] ? ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 66.027005][ T5818] ? exc_invalid_op+0x38/0x50 [ 66.031704][ T5818] ? asm_exc_invalid_op+0x1a/0x20 [ 66.036735][ T5818] ? ocfs2_set_new_buffer_uptodate+0x2e/0x160 [ 66.042819][ T5818] ? ocfs2_set_new_buffer_uptodate+0x144/0x160 [ 66.048969][ T5818] ? ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 66.055113][ T5818] ocfs2_group_add+0x3a3/0x15a0 [ 66.059979][ T5818] ? __pfx_ocfs2_group_add+0x10/0x10 [ 66.065254][ T5818] ? __pfx_lock_acquire+0x10/0x10 [ 66.070335][ T5818] ? mnt_get_write_access+0x68/0x2b0 [ 66.075620][ T5818] ? __pfx_lock_release+0x10/0x10 [ 66.080642][ T5818] ? rcu_read_lock_any_held+0xb7/0x160 [ 66.086093][ T5818] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 66.091991][ T5818] ? tomoyo_path_number_perm+0x206/0x860 [ 66.097668][ T5818] ? smack_log+0x123/0x540 [ 66.102092][ T5818] ? mnt_get_write_access+0x68/0x2b0 [ 66.107377][ T5818] ? mnt_get_write_access+0x68/0x2b0 [ 66.112669][ T5818] ? mnt_get_write_access+0x226/0x2b0 [ 66.118063][ T5818] ocfs2_ioctl+0x65e/0x7d0 [ 66.122477][ T5818] ? __pfx_ocfs2_ioctl+0x10/0x10 [ 66.127405][ T5818] ? smack_file_ioctl+0x29e/0x3a0 [ 66.132423][ T5818] ? __pfx_smack_file_ioctl+0x10/0x10 [ 66.137782][ T5818] ? __pfx_ptrace_notify+0x10/0x10 [ 66.142886][ T5818] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 66.149271][ T5818] ? __pfx_ocfs2_ioctl+0x10/0x10 [ 66.154245][ T5818] __se_sys_ioctl+0xf5/0x170 [ 66.158839][ T5818] do_syscall_64+0xf3/0x230 [ 66.163433][ T5818] ? clear_bhb_loop+0x35/0x90 [ 66.168105][ T5818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.174004][ T5818] RIP: 0033:0x7f5367870b19 [ 66.178436][ T5818] 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 [ 66.198035][ T5818] RSP: 002b:00007ffd2c090dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 66.206446][ T5818] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5367870b19 [ 66.214436][ T5818] RDX: 00000000200000c0 RSI: 0000000040186f02 RDI: 0000000000000004 [ 66.222409][ T5818] RBP: 00007f53678e85f0 R08: 0000555573a7f4c0 R09: 0000555573a7f4c0 [ 66.230383][ T5818] R10: 0000555573a7f4c0 R11: 0000000000000246 R12: 00007ffd2c090df0 [ 66.238346][ T5818] R13: 00007ffd2c091018 R14: 431bde82d7b634db R15: 00007f53678b903b [ 66.246314][ T5818] [ 66.249320][ T5818] Modules linked in: [ 66.253370][ T5818] ---[ end trace 0000000000000000 ]--- [ 66.258857][ T5818] RIP: 0010:ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 66.265762][ T5818] Code: 03 42 80 3c 20 00 74 08 48 89 df e8 95 a9 63 fe 4c 8b 1b 4c 89 ff 5b 41 5c 41 5d 41 5e 41 5f 41 ff e3 cc 90 e8 0c cb ff fd 90 <0f> 0b e8 04 cb ff fd 90 0f 0b e8 fc ca ff fd 90 0f 0b e8 f4 ca ff [ 66.285449][ T5818] RSP: 0018:ffffc90003f2fa30 EFLAGS: 00010293 [ 66.291524][ T5818] RAX: ffffffff839fa714 RBX: 0000000000000001 RCX: ffff888031853c00 [ 66.299550][ T5818] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 66.307633][ T5818] RBP: ffffc90003f2fcf0 R08: ffffffff839fa5fe R09: 1ffffffff2030b26 [ 66.315709][ T5818] R10: dffffc0000000000 R11: fffffbfff2030b27 R12: ffff888077074fb8 [ 66.323727][ T5818] R13: dffffc0000000000 R14: ffff888077035488 R15: ffff888077070830 [ 66.331697][ T5818] FS: 0000555573a7e380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 66.340661][ T5818] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.347304][ T5818] CR2: 000000000045e620 CR3: 0000000078212000 CR4: 00000000003526f0 [ 66.355318][ T5818] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.363370][ T5818] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.371382][ T5818] Kernel panic - not syncing: Fatal exception [ 66.377702][ T5818] Kernel Offset: disabled [ 66.382020][ T5818] Rebooting in 86400 seconds..