./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3111121856 <...> Warning: Permanently added '10.128.10.33' (ED25519) to the list of known hosts. [ 91.860067][ T10] cfg80211: failed to load regulatory.db execve("./syz-executor3111121856", ["./syz-executor3111121856"], 0x7ffe6a19c760 /* 10 vars */) = 0 brk(NULL) = 0x5555890e7000 brk(0x5555890e7d00) = 0x5555890e7d00 arch_prctl(ARCH_SET_FS, 0x5555890e7380) = 0 set_tid_address(0x5555890e7650) = 5829 set_robust_list(0x5555890e7660, 24) = 0 rseq(0x5555890e7ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3111121856", 4096) = 28 getrandom("\x4f\x99\xcb\x2f\xb1\x46\x29\xc2", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555890e7d00 brk(0x555589108d00) = 0x555589108d00 brk(0x555589109000) = 0x555589109000 mprotect(0x7fd53b9f4000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 mkdir("./syzkaller.22hslr", 0700) = 0 chmod("./syzkaller.22hslr", 0777) = 0 chdir("./syzkaller.22hslr") = 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 5830 attached , child_tidptr=0x5555890e7650) = 5830 [pid 5830] set_robust_list(0x5555890e7660, 24) = 0 [pid 5830] chdir("./0") = 0 [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5830] setpgid(0, 0) = 0 [pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "1000", 4) = 4 [pid 5830] close(3) = 0 [pid 5830] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5830] write(1, "executing program\n", 18executing program ) = 18 [pid 5830] memfd_create("syzkaller", 0) = 3 [pid 5830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd533400000 [pid 5830] 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 5830] munmap(0x7fd533400000, 138412032) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5830] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5830] close(3) = 0 [pid 5830] close(4) = 0 [pid 5830] mkdir("./file1", 0777) = 0 [ 92.587971][ T5830] loop0: detected capacity change from 0 to 32768 [pid 5830] mount("/dev/loop0", "./file1", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "iocharset=koi8-u,discard=0x0000000000000004,iocharset=iso8859-9,errors=continue,iocharset=koi8-ru,er"...) = 0 [pid 5830] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5830] chdir("./file1") = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5830] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 5830] unlink("./file1") = -1 EIO (Input/output error) [pid 5830] exit_group(0) = ? [pid 5830] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5830, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 92.670660][ T5830] read_mapping_page failed! [ 92.675392][ T5830] ERROR: (device loop0): txCommit: [ 92.675392][ T5830] 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, 0x5555890e86f0 /* 4 entries */, 32768) = 112 [ 92.779506][ T5829] ------------[ cut here ]------------ [ 92.785177][ T5829] kernel BUG at fs/inode.c:753! [ 92.790064][ T5829] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI [ 92.796329][ T5829] CPU: 1 UID: 0 PID: 5829 Comm: syz-executor311 Not tainted 6.16.0-rc1-syzkaller-00005-g488ef3560196 #0 PREEMPT(full) [ 92.808743][ T5829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 92.818800][ T5829] RIP: 0010:clear_inode+0x169/0x190 [ 92.824009][ T5829] Code: 4c 89 f7 e8 59 20 e8 ff e9 60 ff ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 7c c0 4c 89 f7 e8 2f 21 e8 ff eb b6 e8 b8 d3 86 ff 90 <0f> 0b e8 b0 d3 86 ff 90 0f 0b e8 a8 d3 86 ff 90 0f 0b e8 a0 d3 86 [ 92.843624][ T5829] RSP: 0018:ffffc9000435f870 EFLAGS: 00010093 [ 92.849694][ T5829] RAX: ffffffff82397a38 RBX: ffff888076f9b248 RCX: ffff88807a1f5a00 [ 92.857696][ T5829] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 92.865670][ T5829] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 [ 92.873638][ T5829] R10: dffffc0000000000 R11: fffff5200086beec R12: dffffc0000000000 [ 92.881612][ T5829] R13: dffffc0000000000 R14: ffff888076f9b470 R15: 0000000000000001 [ 92.889584][ T5829] FS: 00005555890e7380(0000) GS:ffff888125d86000(0000) knlGS:0000000000000000 [ 92.898513][ T5829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.905093][ T5829] CR2: 00007f2b5cbc5000 CR3: 0000000076948000 CR4: 00000000003526f0 [ 92.913067][ T5829] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.921043][ T5829] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.929024][ T5829] Call Trace: [ 92.932302][ T5829] [ 92.935252][ T5829] ? __pfx_jfs_evict_inode+0x10/0x10 [ 92.940548][ T5829] jfs_evict_inode+0xb1/0x440 [ 92.945236][ T5829] ? evict+0x4f8/0x9c0 [ 92.949393][ T5829] ? __pfx_jfs_evict_inode+0x10/0x10 [ 92.954698][ T5829] evict+0x501/0x9c0 [ 92.958597][ T5829] ? __pfx_evict+0x10/0x10 [ 92.963008][ T5829] ? do_raw_spin_unlock+0x122/0x240 [ 92.968206][ T5829] ? _raw_spin_unlock+0x28/0x50 [ 92.973071][ T5829] ? iput+0x6d8/0x9d0 [ 92.977064][ T5829] __dentry_kill+0x209/0x660 [ 92.981661][ T5829] ? shrink_kill+0x8d/0x2c0 [ 92.986179][ T5829] shrink_kill+0xa9/0x2c0 [ 92.990521][ T5829] shrink_dentry_list+0x2e0/0x5e0 [ 92.995559][ T5829] shrink_dcache_parent+0xa1/0x2c0 [ 93.000686][ T5829] ? __pfx_shrink_dcache_parent+0x10/0x10 [ 93.006431][ T5829] ? call_rcu+0x6dd/0x990 [ 93.010796][ T5829] do_one_tree+0x23/0xe0 [ 93.015053][ T5829] shrink_dcache_for_umount+0xa0/0x170 [ 93.020532][ T5829] generic_shutdown_super+0x67/0x2c0 [ 93.025826][ T5829] kill_block_super+0x44/0x90 [ 93.030511][ T5829] deactivate_locked_super+0xbc/0x130 [ 93.035988][ T5829] cleanup_mnt+0x425/0x4c0 [ 93.040439][ T5829] ? lockdep_hardirqs_on+0x9c/0x150 [ 93.045660][ T5829] task_work_run+0x1d1/0x260 [ 93.050263][ T5829] ? __pfx_task_work_run+0x10/0x10 [ 93.055391][ T5829] ? __x64_sys_umount+0x122/0x160 [ 93.060420][ T5829] ptrace_notify+0x281/0x2c0 [ 93.065018][ T5829] ? __pfx_ptrace_notify+0x10/0x10 [ 93.070137][ T5829] ? __x64_sys_umount+0x122/0x160 [ 93.075517][ T5829] ? __pfx___x64_sys_umount+0x10/0x10 [ 93.080892][ T5829] ? rcu_is_watching+0x15/0xb0 [ 93.085666][ T5829] syscall_exit_work+0xc6/0x1d0 [ 93.090524][ T5829] do_syscall_64+0x2ad/0x3b0 [ 93.095115][ T5829] ? lockdep_hardirqs_on+0x9c/0x150 [ 93.100331][ T5829] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.106399][ T5829] ? clear_bhb_loop+0x60/0xb0 [ 93.111079][ T5829] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.117001][ T5829] RIP: 0033:0x7fd53b97b587 [ 93.121426][ T5829] 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 [ 93.141033][ T5829] RSP: 002b:00007ffdd7e52878 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 93.149449][ T5829] RAX: 0000000000000000 RBX: 000000000001687c RCX: 00007fd53b97b587 [ 93.157419][ T5829] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd7e52930 [ 93.165385][ T5829] RBP: 00007ffdd7e52930 R08: 0000000000000000 R09: 0000000000000000 [ 93.173353][ T5829] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffdd7e539a0 [ 93.181320][ T5829] R13: 00005555890e86c0 R14: 431bde82d7b634db R15: 00007ffdd7e539c0 [ 93.189296][ T5829] [ 93.192326][ T5829] Modules linked in: [ 93.196231][ T5829] ---[ end trace 0000000000000000 ]--- [ 93.201705][ T5829] RIP: 0010:clear_inode+0x169/0x190 [ 93.206906][ T5829] Code: 4c 89 f7 e8 59 20 e8 ff e9 60 ff ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 7c c0 4c 89 f7 e8 2f 21 e8 ff eb b6 e8 b8 d3 86 ff 90 <0f> 0b e8 b0 d3 86 ff 90 0f 0b e8 a8 d3 86 ff 90 0f 0b e8 a0 d3 86 [ 93.226508][ T5829] RSP: 0018:ffffc9000435f870 EFLAGS: 00010093 [ 93.232572][ T5829] RAX: ffffffff82397a38 RBX: ffff888076f9b248 RCX: ffff88807a1f5a00 [ 93.240545][ T5829] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 93.248514][ T5829] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 [ 93.256490][ T5829] R10: dffffc0000000000 R11: fffff5200086beec R12: dffffc0000000000 [ 93.264458][ T5829] R13: dffffc0000000000 R14: ffff888076f9b470 R15: 0000000000000001 [ 93.272426][ T5829] FS: 00005555890e7380(0000) GS:ffff888125d86000(0000) knlGS:0000000000000000 [ 93.281355][ T5829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.287936][ T5829] CR2: 00007f2b5cbc5000 CR3: 0000000076948000 CR4: 00000000003526f0 [ 93.295909][ T5829] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 93.303886][ T5829] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 93.311872][ T5829] Kernel panic - not syncing: Fatal exception [ 93.318260][ T5829] Kernel Offset: disabled [ 93.322596][ T5829] Rebooting in 86400 seconds..