./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1150733795 <...> Warning: Permanently added '10.128.1.5' (ED25519) to the list of known hosts. execve("./syz-executor1150733795", ["./syz-executor1150733795"], 0x7ffe54672f70 /* 10 vars */) = 0 brk(NULL) = 0x55555a87e000 brk(0x55555a87ed00) = 0x55555a87ed00 arch_prctl(ARCH_SET_FS, 0x55555a87e380) = 0 set_tid_address(0x55555a87e650) = 5821 set_robust_list(0x55555a87e660, 24) = 0 rseq(0x55555a87eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1150733795", 4096) = 28 getrandom("\xdc\x62\xc2\x9a\x36\xe8\xed\xc2", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555a87ed00 brk(0x55555a89fd00) = 0x55555a89fd00 brk(0x55555a8a0000) = 0x55555a8a0000 mprotect(0x7fd25f2d4000, 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 5823 attached , child_tidptr=0x55555a87e650) = 5823 [pid 5823] set_robust_list(0x55555a87e660, 24) = 0 [pid 5823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5823] setpgid(0, 0) = 0 [pid 5823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5823] write(3, "1000", 4) = 4 [pid 5823] close(3) = 0 [pid 5823] write(1, "executing program\n", 18executing program ) = 18 [pid 5823] memfd_create("syzkaller", 0) = 3 [pid 5823] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd256e00000 [pid 5823] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 5823] munmap(0x7fd256e00000, 138412032) = 0 [pid 5823] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5823] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5823] close(3) = 0 [pid 5823] close(4) = 0 [pid 5823] mkdir("./file1", 0777) = 0 [ 63.401794][ T5823] loop0: detected capacity change from 0 to 40427 [ 63.451233][ T5823] F2FS-fs (loop0): build fault injection attr: rate: 0, type: 0x7 [ 63.461347][ T5823] F2FS-fs (loop0): invalid crc value [ 63.470117][ T5823] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 5823] mount("/dev/loop0", "./file1", "f2fs", 0, "nodiscard,active_logs=6,discard_unit=section,alloc_mode=reuse,inline_xattr,fault_type=00000000000000"...) = 0 [pid 5823] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5823] chdir("./file1") = 0 [pid 5823] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5823] openat(AT_FDCWD, "./file0", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4 [pid 5823] ioctl(4, F2FS_IOC_SET_PIN_FILE, 0x400000000180) = 0 [pid 5823] openat(AT_FDCWD, "./file0", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 5 [ 63.498308][ T5823] F2FS-fs (loop0): Start checkpoint disabled! [ 63.509710][ T5823] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6 [pid 5823] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x4000000000c0) = -1 ENOSPC (No space left on device) [pid 5823] openat(AT_FDCWD, "./file0", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 6 [pid 5823] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x4000000000c0) = -1 ENOSPC (No space left on device) [pid 5823] openat(AT_FDCWD, "./file0", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 7 [ 63.651516][ T5823] ------------[ cut here ]------------ [ 63.657191][ T5823] kernel BUG at fs/f2fs/segment.c:2809! [ 63.662775][ T5823] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 63.669743][ T5823] CPU: 0 UID: 0 PID: 5823 Comm: syz-executor115 Not tainted 6.14.0-rc2-syzkaller #0 [ 63.679264][ T5823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 63.689312][ T5823] RIP: 0010:new_curseg+0x1f52/0x1f70 [ 63.694617][ T5823] Code: fb fd e9 1a fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4c fa ff ff 48 89 df e8 99 52 fb fd e9 3f fa ff ff e8 df 40 97 fd 90 <0f> 0b e8 d7 40 97 fd 90 0f 0b e8 cf 40 97 fd 90 0f 0b e8 c7 40 97 [ 63.714211][ T5823] RSP: 0018:ffffc9000406f4a8 EFLAGS: 00010293 [ 63.720290][ T5823] RAX: ffffffff84280e61 RBX: 0000000000000018 RCX: ffff88807bb40000 [ 63.728247][ T5823] RDX: 0000000000000000 RSI: 0000000000000018 RDI: 0000000000000018 [ 63.736212][ T5823] RBP: dffffc0000000000 R08: ffffffff8427fc95 R09: fffff5200080de84 [ 63.744167][ T5823] R10: dffffc0000000000 R11: fffff5200080de84 R12: 0000000000000018 [ 63.752119][ T5823] R13: ffff88807c4a1101 R14: 0000000000000018 R15: ffff88807bb3a9d8 [ 63.760083][ T5823] FS: 000055555a87e380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 63.769003][ T5823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.775574][ T5823] CR2: 00007fd25f2d8100 CR3: 0000000029f36000 CR4: 00000000003526f0 [ 63.783558][ T5823] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.791558][ T5823] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.799630][ T5823] Call Trace: [ 63.802935][ T5823] [ 63.805970][ T5823] ? __die_body+0x5f/0xb0 [ 63.810298][ T5823] ? die+0x9e/0xc0 [ 63.814012][ T5823] ? do_trap+0x15a/0x3a0 [ 63.818245][ T5823] ? new_curseg+0x1f52/0x1f70 [ 63.822908][ T5823] ? do_error_trap+0x1dc/0x2c0 [ 63.827660][ T5823] ? new_curseg+0x1f52/0x1f70 [ 63.832337][ T5823] ? __pfx_do_error_trap+0x10/0x10 [ 63.837440][ T5823] ? handle_invalid_op+0x34/0x40 [ 63.842367][ T5823] ? new_curseg+0x1f52/0x1f70 [ 63.847144][ T5823] ? exc_invalid_op+0x38/0x50 [ 63.851823][ T5823] ? asm_exc_invalid_op+0x1a/0x20 [ 63.856841][ T5823] ? new_curseg+0xd85/0x1f70 [ 63.861425][ T5823] ? new_curseg+0x1f51/0x1f70 [ 63.866099][ T5823] ? new_curseg+0x1f52/0x1f70 [ 63.870848][ T5823] ? new_curseg+0x1f51/0x1f70 [ 63.875536][ T5823] __allocate_new_segment+0x1ce/0x940 [ 63.880900][ T5823] f2fs_allocate_pinning_section+0xfa/0x4e0 [ 63.886813][ T5823] f2fs_expand_inode_data+0x696/0xca0 [ 63.892221][ T5823] ? __pfx_f2fs_expand_inode_data+0x10/0x10 [ 63.898124][ T5823] ? __mark_inode_dirty+0x69a/0xe90 [ 63.903321][ T5823] ? mnt_put_write_access_file+0xbf/0x100 [ 63.909059][ T5823] ? file_modified_flags+0x449/0x4e0 [ 63.914354][ T5823] f2fs_fallocate+0x537/0xa10 [ 63.919039][ T5823] ? __pfx_f2fs_fallocate+0x10/0x10 [ 63.924231][ T5823] vfs_fallocate+0x623/0x7a0 [ 63.928812][ T5823] ? __pfx_vfs_fallocate+0x10/0x10 [ 63.933914][ T5823] ? __might_fault+0xaa/0x120 [ 63.938587][ T5823] do_vfs_ioctl+0x258c/0x2e40 [ 63.943252][ T5823] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 63.948264][ T5823] ? mark_lock+0x9a/0x360 [ 63.952610][ T5823] ? tomoyo_path_number_perm+0x206/0x860 [ 63.958316][ T5823] ? __pfx_lock_release+0x10/0x10 [ 63.963367][ T5823] ? tomoyo_path_number_perm+0x679/0x860 [ 63.969012][ T5823] ? tomoyo_path_number_perm+0x679/0x860 [ 63.974639][ T5823] ? tomoyo_path_number_perm+0x6f9/0x860 [ 63.980267][ T5823] ? tomoyo_path_number_perm+0x206/0x860 [ 63.985893][ T5823] ? smack_log+0x10d/0x5c0 [ 63.990296][ T5823] ? __pfx_smack_log+0x10/0x10 [ 63.995049][ T5823] ? smk_access+0x4ab/0x4e0 [ 63.999543][ T5823] ? smk_tskacc+0x300/0x370 [ 64.004209][ T5823] ? smack_file_ioctl+0x29e/0x3a0 [ 64.009226][ T5823] ? __pfx_smack_file_ioctl+0x10/0x10 [ 64.014604][ T5823] ? __pfx_ptrace_notify+0x10/0x10 [ 64.019736][ T5823] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 64.026079][ T5823] __se_sys_ioctl+0x80/0x170 [ 64.030674][ T5823] do_syscall_64+0xf3/0x230 [ 64.035178][ T5823] ? clear_bhb_loop+0x35/0x90 [ 64.039862][ T5823] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.045835][ T5823] RIP: 0033:0x7fd25f25bcd9 [ 64.050260][ T5823] 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 [ 64.069870][ T5823] RSP: 002b:00007ffe332ac848 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 64.078287][ T5823] RAX: ffffffffffffffda RBX: 0000400000000080 RCX: 00007fd25f25bcd9 [ 64.086251][ T5823] RDX: 00004000000000c0 RSI: 0000000040305828 RDI: 0000000000000005 [ 64.094207][ T5823] RBP: 00004000000000c0 R08: 000055555a87f4c0 R09: 000055555a87f4c0 [ 64.102163][ T5823] R10: 0000000000000000 R11: 0000000000000246 R12: 00004000000000e0 [ 64.110119][ T5823] R13: 0030656c69662f2e R14: 00004000000000c2 R15: 00007fd25f2a403b [ 64.118177][ T5823] [ 64.121181][ T5823] Modules linked in: [ 64.125280][ T5823] ---[ end trace 0000000000000000 ]--- [ 64.130748][ T5823] RIP: 0010:new_curseg+0x1f52/0x1f70 [ 64.136073][ T5823] Code: fb fd e9 1a fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4c fa ff ff 48 89 df e8 99 52 fb fd e9 3f fa ff ff e8 df 40 97 fd 90 <0f> 0b e8 d7 40 97 fd 90 0f 0b e8 cf 40 97 fd 90 0f 0b e8 c7 40 97 [ 64.155807][ T5823] RSP: 0018:ffffc9000406f4a8 EFLAGS: 00010293 [ 64.161975][ T5823] RAX: ffffffff84280e61 RBX: 0000000000000018 RCX: ffff88807bb40000 [ 64.169982][ T5823] RDX: 0000000000000000 RSI: 0000000000000018 RDI: 0000000000000018 [ 64.177975][ T5823] RBP: dffffc0000000000 R08: ffffffff8427fc95 R09: fffff5200080de84 [ 64.185958][ T5823] R10: dffffc0000000000 R11: fffff5200080de84 R12: 0000000000000018 [ 64.193933][ T5823] R13: ffff88807c4a1101 R14: 0000000000000018 R15: ffff88807bb3a9d8 [ 64.201925][ T5823] FS: 000055555a87e380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 64.210882][ T5823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.217487][ T5823] CR2: 00007fd25f2d8100 CR3: 0000000029f36000 CR4: 00000000003526f0 [ 64.225482][ T5823] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.233436][ T5823] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.241458][ T5823] Kernel panic - not syncing: Fatal exception [ 64.247782][ T5823] Kernel Offset: disabled [ 64.252090][ T5823] Rebooting in 86400 seconds..