./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor75684646 <...> Warning: Permanently added '10.128.1.10' (ECDSA) to the list of known hosts. execve("./syz-executor75684646", ["./syz-executor75684646"], 0x7ffd295478e0 /* 10 vars */) = 0 brk(NULL) = 0x555555bbb000 brk(0x555555bbbc40) = 0x555555bbbc40 arch_prctl(ARCH_SET_FS, 0x555555bbb300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor75684646", 4096) = 26 brk(0x555555bdcc40) = 0x555555bdcc40 brk(0x555555bdd000) = 0x555555bdd000 mprotect(0x7f7d17c29000, 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 getpid() = 4991 mkdir("./syzkaller.w2SBfA", 0700) = 0 chmod("./syzkaller.w2SBfA", 0777) = 0 chdir("./syzkaller.w2SBfA") = 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, child_tidptr=0x555555bbb5d0) = 4992 ./strace-static-x86_64: Process 4992 attached [pid 4992] chdir("./0") = 0 [pid 4992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4992] setpgid(0, 0) = 0 [pid 4992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4992] write(3, "1000", 4) = 4 [pid 4992] close(3) = 0 [pid 4992] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4992] memfd_create("syzkaller", 0) = 3 [pid 4992] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7d0f76c000 syzkaller login: [ 66.190591][ T4992] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4992 'syz-executor756' [pid 4992] 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"..., 4194304) = 4194304 [pid 4992] munmap(0x7f7d0f76c000, 4194304) = 0 [pid 4992] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 4992] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4992] close(3) = 0 [pid 4992] mkdir("./file0", 0777) = 0 [ 66.258630][ T4992] loop0: detected capacity change from 0 to 8192 [ 66.271218][ T4992] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 66.284346][ T4992] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 66.294046][ T4992] REISERFS (device loop0): using ordered data mode [ 66.300956][ T4992] reiserfs: using flush barriers [ 66.307885][ T4992] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 66.324497][ T4992] REISERFS (device loop0): checking transaction log (loop0) [pid 4992] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC, "") = 0 [pid 4992] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 4992] chdir("./file0") = 0 [pid 4992] ioctl(4, LOOP_CLR_FD) = 0 [pid 4992] close(4) = 0 [pid 4992] mkdir(".", 0777) = -1 EEXIST (File exists) [ 66.380876][ T4992] REISERFS (device loop0): Using r5 hash to sort names [ 66.388073][ T4992] REISERFS (device loop0): using 3.5.x disk format [ 66.395644][ T4992] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 4992] mount(NULL, ".", 0x20000180, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x14\x27\x0e\x2d\x25\xcc\xcf\xf0\x78\xb9\x14\x0e\x8a\x1e\x19\xf3\xbc\xc3\xbd\x09\x96\x8d\xd1\x91\x1a\xce\xf2\x43\x21\xd7\x64\xd9\xe1\x17\xda\x79\x06\x3a\x62\xe3\xa5\x92\xfb\x42\xf7\xd9\xdd\xb2\x68\x2b\x4c\x2f\xf5\x80\xea\x5f\xa8\xef\xfb\xd5\x3a\xcf\xb0\xf8\x70\xbc\x1e\x49\xd0\x1a\x5b\x7f\xf5\x51\x50\xd2\xbf\x3b\x04\x28\x58\xc5\x32\x5c\x2b\x56\x9b\x32\x0c\xd4\x4e\x49\xe2\x46\xcc\x1e\x41\xf0\x4d\x2e"...) = -1 EINVAL (Invalid argument) [pid 4992] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT|O_NOATIME|FASYNC, 000) = 4 [ 66.422220][ T4992] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "'-%xý ёC!dy:b㥒Bݲh+L/_:ϰpI[QPҿ;(X2\+V2 NIFAM.IJZu |ok 0b e8 b6 13 59 ff 0f 0b e8 af 13 59 ff 0f 0b e8 a8 13 59 ff 0f [ 66.772720][ T4991] RSP: 0018:ffffc900039ff5f0 EFLAGS: 00010293 [ 66.778782][ T4991] RAX: ffffffff82326be3 RBX: 0000000000000001 RCX: ffff888021d43b80 [ 66.786758][ T4991] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 66.794718][ T4991] RBP: 0000000000000000 R08: ffffffff82325675 R09: ffffed100e89fd06 [ 66.802677][ T4991] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880744fe828 [ 66.810637][ T4991] R13: ffffc90003a930d8 R14: 1ffff1100e89fd05 R15: 1ffff9200075261d [ 66.818598][ T4991] FS: 0000555555bbb300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 66.827527][ T4991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.834112][ T4991] CR2: 0000555555bc4628 CR3: 0000000019345000 CR4: 00000000003506e0 [ 66.842091][ T4991] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.850062][ T4991] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.858032][ T4991] Call Trace: [ 66.861312][ T4991] [ 66.864242][ T4991] ? __die_body+0x5e/0xa0 [ 66.868581][ T4991] ? die+0x87/0xb0 [ 66.872302][ T4991] ? do_trap+0x11e/0x350 [ 66.876551][ T4991] ? flush_journal_list+0x1c33/0x1c70 [ 66.881924][ T4991] ? flush_journal_list+0x1c33/0x1c70 [ 66.887301][ T4991] ? do_error_trap+0x141/0x1f0 [ 66.892075][ T4991] ? flush_journal_list+0x1c33/0x1c70 [ 66.897450][ T4991] ? do_int3+0x30/0x30 [ 66.901539][ T4991] ? handle_invalid_op+0x2c/0x40 [ 66.906488][ T4991] ? flush_journal_list+0x1c33/0x1c70 [ 66.911863][ T4991] ? exc_invalid_op+0x33/0x50 [ 66.916550][ T4991] ? asm_exc_invalid_op+0x1a/0x20 [ 66.921595][ T4991] ? flush_journal_list+0x6c5/0x1c70 [ 66.926881][ T4991] ? flush_journal_list+0x1c33/0x1c70 [ 66.932257][ T4991] ? flush_journal_list+0x1c33/0x1c70 [ 66.937642][ T4991] flush_journal_list+0xea7/0x1c70 [ 66.942765][ T4991] do_journal_end+0x3170/0x4770 [ 66.947636][ T4991] ? journal_mark_dirty+0xe40/0xe40 [ 66.952838][ T4991] ? trace_contention_end+0x3c/0xf0 [ 66.958049][ T4991] ? journal_mark_dirty+0x22f/0xe40 [ 66.963257][ T4991] do_journal_release+0x47c/0x4d0 [ 66.968284][ T4991] ? journal_release+0x30/0x30 [ 66.973060][ T4991] journal_release+0x1f/0x30 [ 66.977654][ T4991] reiserfs_put_super+0x23b/0x4c0 [ 66.982686][ T4991] ? hook_inode_free_security+0xb0/0xb0 [ 66.988234][ T4991] ? reiserfs_dirty_inode+0x240/0x240 [ 66.993617][ T4991] ? fscrypt_destroy_keyring+0x273/0x290 [ 66.999269][ T4991] ? reiserfs_dirty_inode+0x240/0x240 [ 67.004662][ T4991] generic_shutdown_super+0x134/0x340 [ 67.010049][ T4991] kill_block_super+0x84/0xf0 [ 67.014735][ T4991] deactivate_locked_super+0xa4/0x110 [ 67.020110][ T4991] cleanup_mnt+0x426/0x4c0 [ 67.024540][ T4991] ? _raw_spin_unlock_irq+0x23/0x50 [ 67.029752][ T4991] task_work_run+0x24a/0x300 [ 67.034711][ T4991] ? dput+0x3a1/0x420 [ 67.038700][ T4991] ? task_work_cancel+0x2b0/0x2b0 [ 67.043745][ T4991] ? __x64_sys_umount+0x126/0x170 [ 67.048780][ T4991] ptrace_notify+0x2cd/0x380 [ 67.053375][ T4991] ? do_notify_parent+0xf50/0xf50 [ 67.058404][ T4991] ? user_path_at_empty+0x12f/0x180 [ 67.063700][ T4991] ? __x64_sys_umount+0x126/0x170 [ 67.068728][ T4991] ? path_umount+0xea0/0xea0 [ 67.073323][ T4991] ? syscall_enter_from_user_mode+0x32/0x230 [ 67.079319][ T4991] syscall_exit_to_user_mode+0x157/0x280 [ 67.085134][ T4991] do_syscall_64+0x4d/0xc0 [ 67.089551][ T4991] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 67.095460][ T4991] RIP: 0033:0x7f7d17bbaf57 [ 67.099873][ T4991] 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 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 67.119561][ T4991] RSP: 002b:00007fff15fe9e38 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 67.127976][ T4991] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f7d17bbaf57 [ 67.135949][ T4991] RDX: 00007fff15fe9ef9 RSI: 000000000000000a RDI: 00007fff15fe9ef0 [ 67.143926][ T4991] RBP: 00007fff15fe9ef0 R08: 00000000ffffffff R09: 00007fff15fe9cd0 [ 67.151897][ T4991] R10: 0000555555bbc653 R11: 0000000000000202 R12: 00007fff15feaf60 [ 67.159864][ T4991] R13: 0000555555bbc5f0 R14: 00007fff15fe9e60 R15: 0000000000000001 [ 67.167931][ T4991] [ 67.170959][ T4991] Modules linked in: [ 67.175277][ T4991] ---[ end trace 0000000000000000 ]--- [ 67.180758][ T4991] RIP: 0010:flush_journal_list+0x1c33/0x1c70 [ 67.186965][ T4991] Code: dc 38 85 8c 48 c7 c1 c0 07 fc 8a e8 07 58 fb ff e8 d2 13 59 ff 0f 0b e8 cb 13 59 ff 0f 0b e8 c4 13 59 ff 0f 0b e8 bd 13 59 ff <0f> 0b e8 b6 13 59 ff 0f 0b e8 af 13 59 ff 0f 0b e8 a8 13 59 ff 0f [ 67.206932][ T4991] RSP: 0018:ffffc900039ff5f0 EFLAGS: 00010293 [ 67.213019][ T4991] RAX: ffffffff82326be3 RBX: 0000000000000001 RCX: ffff888021d43b80 [ 67.221073][ T4991] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 67.229094][ T4991] RBP: 0000000000000000 R08: ffffffff82325675 R09: ffffed100e89fd06 [ 67.237164][ T4991] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880744fe828 [ 67.245240][ T4991] R13: ffffc90003a930d8 R14: 1ffff1100e89fd05 R15: 1ffff9200075261d [ 67.253254][ T4991] FS: 0000555555bbb300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 67.262266][ T4991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.268895][ T4991] CR2: 000000000045bd60 CR3: 0000000019345000 CR4: 00000000003506f0 [ 67.276921][ T4991] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.284916][ T4991] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.293141][ T4991] Kernel panic - not syncing: Fatal exception [ 67.299437][ T4991] Kernel Offset: disabled [ 67.303766][ T4991] Rebooting in 86400 seconds..