./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor805596921 <...> Warning: Permanently added '10.128.0.222' (ED25519) to the list of known hosts. execve("./syz-executor805596921", ["./syz-executor805596921"], 0x7ffe524ad180 /* 10 vars */) = 0 brk(NULL) = 0x55557a2c6000 brk(0x55557a2c6e00) = 0x55557a2c6e00 arch_prctl(ARCH_SET_FS, 0x55557a2c6480) = 0 set_tid_address(0x55557a2c6750) = 5220 set_robust_list(0x55557a2c6760, 24) = 0 rseq(0x55557a2c6da0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor805596921", 4096) = 27 getrandom("\x94\x7d\x3e\x13\x80\x07\xd8\x36", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557a2c6e00 brk(0x55557a2e7e00) = 0x55557a2e7e00 brk(0x55557a2e8000) = 0x55557a2e8000 mprotect(0x7fa7f9b21000, 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 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7fa7f9a71940, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fa7f9a7a470}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fa7f9a71940, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fa7f9a7a470}, NULL, 8) = 0 mkdir("./syzkaller.a3Cftw", 0700) = 0 chmod("./syzkaller.a3Cftw", 0777) = 0 chdir("./syzkaller.a3Cftw") = 0 mkdir("./0", 0777) = 0 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 5221 attached [pid 5221] set_robust_list(0x55557a2c6760, 24 [pid 5220] <... clone resumed>, child_tidptr=0x55557a2c6750) = 5221 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5221] chdir("./0") = 0 [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5221] setpgid(0, 0) = 0 [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "1000", 4) = 4 [pid 5221] close(3) = 0 [pid 5221] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5221] write(1, "executing program\n", 18) = 18 [pid 5221] memfd_create("syzkaller", 0) = 3 [pid 5221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa7f1600000 [pid 5221] 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"..., 16777216) = 16777216 [pid 5221] munmap(0x7fa7f1600000, 138412032) = 0 [pid 5221] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5221] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5221] close(3) = 0 [pid 5221] close(4) = 0 [pid 5221] mkdir("./file0", 0777) = 0 [pid 5221] mount("/dev/loop0", "./file0", "jfs", MS_SILENT|MS_I_VERSION, "") = 0 [pid 5221] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5221] chdir("./file0") = 0 [pid 5221] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5221] memfd_create("syzkaller", 0) = 4 [pid 5221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa7f1600000 [pid 5221] write(4, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x08\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x39\x75\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 5221] munmap(0x7fa7f1600000, 138412032) = 0 [pid 5221] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5221] close(4) = 0 [pid 5221] openat(AT_FDCWD, "cgroup.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5221] write(4, "\x6d\xfa\x6e\xd5\xc5\x36\x4a\x7e\x3f\x08\xe7\x09\x7f\x02\xcf\xe1\x70\xc3\x73\x03\xb9\xeb\x8f\xde\xbd\xa8\x2c\x65\xc9\x52\xda\x0c\x03\xa3\x31\x0c\x85\xb0\x12\x36\x43\x98\x0a\x03\x61\x30\x74\x9d\xd9\x59\x07\xb6\xeb\xe1\x70\xd0\x4a\xb8\x76\xeb\xe5\xc6\xdb\x07\x8f\x9f\xdc\xcd\x17\x0a\x33\x73\x31\xce\xe6\xe7\x6f\x4e\xc7\x18\x27\x2e\x7d\x7a\xf5\xe6\xfd\xe5\xcf\xcd\x73\x0f\x3f\x4c\x7c\x1c\x09\x6b\x53\x4f"..., 280) = 280 [pid 5221] mmap(0x20000000, 12288, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x20000000 [pid 5221] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x200000c0} --- [ 55.787486][ T5221] loop0: detected capacity change from 0 to 32768 [pid 5221] mkdirat(AT_FDCWD, "\xdf\xeb\x2e\x38\x59\x8d\x46\x3e\xdd\xba\x96\xc7\x7e\x4a\x8a\xab\x3d\x69\x08", 000) = -1 EIO (Input/output error) [pid 5221] exit_group(0) = ? [pid 5221] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5221, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 55.847956][ T5221] ERROR: (device loop0): dbAlloc: unable to allocate blocks [ 55.847956][ T5221] [ 55.858454][ T5221] ERROR: (device loop0): remounting filesystem as read-only [ 55.865864][ T5221] ialloc: diAlloc returned -5! umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55557a2c77f0 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 [ 55.991266][ T5220] ------------[ cut here ]------------ [ 55.996982][ T5220] kernel BUG at fs/jfs/inode.c:169! [ 56.002216][ T5220] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 56.009139][ T5220] CPU: 0 UID: 0 PID: 5220 Comm: syz-executor805 Not tainted 6.12.0-rc2-syzkaller-00050-g5b7c893ed5ed #0 [ 56.020244][ T5220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 56.030290][ T5220] RIP: 0010:jfs_evict_inode+0x434/0x440 [ 56.035828][ T5220] Code: df e8 20 1f d6 fe e9 1d fe ff ff e8 f6 90 6f fe 48 c7 c7 80 43 d5 8e 4c 89 ee e8 d7 af c6 01 e9 92 fd ff ff e8 dd 90 6f fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 [ 56.055414][ T5220] RSP: 0018:ffffc90003b97998 EFLAGS: 00010293 [ 56.061462][ T5220] RAX: ffffffff83255543 RBX: ffff88807396aed0 RCX: ffff88802e84bc00 [ 56.069416][ T5220] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807396b248 [ 56.077366][ T5220] RBP: ffffc90003b97b10 R08: ffffffff82311193 R09: 1ffffffff2852119 [ 56.085315][ T5220] R10: dffffc0000000000 R11: ffffffff83253270 R12: ffff88807396b248 [ 56.093263][ T5220] R13: ffff88807396b2c8 R14: dffffc0000000000 R15: ffff88807396a198 [ 56.101213][ T5220] FS: 000055557a2c6480(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 56.110137][ T5220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.116698][ T5220] CR2: 00007fffb3d1333c CR3: 00000000750e8000 CR4: 00000000003526f0 [ 56.124650][ T5220] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.132598][ T5220] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.140558][ T5220] Call Trace: [ 56.143820][ T5220] [ 56.146735][ T5220] ? __die_body+0x5f/0xb0 [ 56.151046][ T5220] ? die+0x9e/0xc0 [ 56.154746][ T5220] ? do_trap+0x15a/0x3a0 [ 56.158970][ T5220] ? jfs_evict_inode+0x434/0x440 [ 56.163887][ T5220] ? do_error_trap+0x1dc/0x2c0 [ 56.168651][ T5220] ? jfs_evict_inode+0x434/0x440 [ 56.173569][ T5220] ? __pfx_do_error_trap+0x10/0x10 [ 56.178663][ T5220] ? handle_invalid_op+0x34/0x40 [ 56.183578][ T5220] ? jfs_evict_inode+0x434/0x440 [ 56.188495][ T5220] ? exc_invalid_op+0x38/0x50 [ 56.193175][ T5220] ? asm_exc_invalid_op+0x1a/0x20 [ 56.198183][ T5220] ? __pfx_jfs_get_dquots+0x10/0x10 [ 56.203361][ T5220] ? dquot_drop+0x43/0x160 [ 56.207755][ T5220] ? jfs_evict_inode+0x433/0x440 [ 56.212678][ T5220] ? jfs_evict_inode+0x434/0x440 [ 56.217598][ T5220] ? jfs_evict_inode+0x433/0x440 [ 56.222515][ T5220] ? __pfx_jfs_evict_inode+0x10/0x10 [ 56.227785][ T5220] evict+0x4e8/0x9b0 [ 56.231664][ T5220] ? __pfx_evict+0x10/0x10 [ 56.236080][ T5220] ? do_raw_spin_unlock+0x13c/0x8b0 [ 56.241262][ T5220] ? list_lru_del_obj+0x3b5/0x400 [ 56.246283][ T5220] evict_inodes+0x6f6/0x790 [ 56.250770][ T5220] ? __pfx_evict_inodes+0x10/0x10 [ 56.255795][ T5220] ? dput+0x37/0x2b0 [ 56.259670][ T5220] generic_shutdown_super+0xa0/0x2d0 [ 56.264932][ T5220] kill_block_super+0x44/0x90 [ 56.269590][ T5220] deactivate_locked_super+0xc4/0x130 [ 56.274939][ T5220] cleanup_mnt+0x41f/0x4b0 [ 56.279333][ T5220] ? lockdep_hardirqs_on+0x99/0x150 [ 56.284511][ T5220] task_work_run+0x24f/0x310 [ 56.289079][ T5220] ? __pfx_task_work_run+0x10/0x10 [ 56.294167][ T5220] ? path_umount+0x284/0xf70 [ 56.298739][ T5220] ptrace_notify+0x2d2/0x380 [ 56.303307][ T5220] ? __pfx_path_umount+0x10/0x10 [ 56.308242][ T5220] ? __pfx_ptrace_notify+0x10/0x10 [ 56.313338][ T5220] ? __x64_sys_umount+0x123/0x170 [ 56.318354][ T5220] ? __pfx___x64_sys_umount+0x10/0x10 [ 56.323712][ T5220] syscall_exit_work+0xc6/0x190 [ 56.328541][ T5220] syscall_exit_to_user_mode+0x279/0x370 [ 56.334186][ T5220] do_syscall_64+0x100/0x230 [ 56.338765][ T5220] ? clear_bhb_loop+0x35/0x90 [ 56.343419][ T5220] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 56.349301][ T5220] RIP: 0033:0x7fa7f9aa8b07 [ 56.353705][ T5220] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 [ 56.373289][ T5220] RSP: 002b:00007fffb3d13328 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 56.381705][ T5220] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa7f9aa8b07 [ 56.389660][ T5220] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffb3d133e0 [ 56.397611][ T5220] RBP: 00007fffb3d133e0 R08: 0000000000000000 R09: 0000000000000000 [ 56.405562][ T5220] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fffb3d14450 [ 56.413515][ T5220] R13: 000055557a2c77c0 R14: 431bde82d7b634db R15: 00007fffb3d14470 [ 56.421470][ T5220] [ 56.424468][ T5220] Modules linked in: [ 56.428488][ T5220] ---[ end trace 0000000000000000 ]--- [ 56.434056][ T5220] RIP: 0010:jfs_evict_inode+0x434/0x440 [ 56.439660][ T5220] Code: df e8 20 1f d6 fe e9 1d fe ff ff e8 f6 90 6f fe 48 c7 c7 80 43 d5 8e 4c 89 ee e8 d7 af c6 01 e9 92 fd ff ff e8 dd 90 6f fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 [ 56.459546][ T5220] RSP: 0018:ffffc90003b97998 EFLAGS: 00010293 [ 56.465733][ T5220] RAX: ffffffff83255543 RBX: ffff88807396aed0 RCX: ffff88802e84bc00 [ 56.473717][ T5220] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807396b248 [ 56.481706][ T5220] RBP: ffffc90003b97b10 R08: ffffffff82311193 R09: 1ffffffff2852119 [ 56.489729][ T5220] R10: dffffc0000000000 R11: ffffffff83253270 R12: ffff88807396b248 [ 56.497732][ T5220] R13: ffff88807396b2c8 R14: dffffc0000000000 R15: ffff88807396a198 [ 56.505725][ T5220] FS: 000055557a2c6480(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 56.514689][ T5220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.521276][ T5220] CR2: 00007fffb3d12b78 CR3: 00000000750e8000 CR4: 00000000003526f0 [ 56.529277][ T5220] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.537304][ T5220] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.545315][ T5220] Kernel panic - not syncing: Fatal exception [ 56.551601][ T5220] Kernel Offset: disabled [ 56.555908][ T5220] Rebooting in 86400 seconds..