./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3630876872 <...> Warning: Permanently added '10.128.10.14' (ED25519) to the list of known hosts. execve("./syz-executor3630876872", ["./syz-executor3630876872"], 0x7ffd98a98570 /* 10 vars */) = 0 brk(NULL) = 0x555556043000 brk(0x555556043d00) = 0x555556043d00 arch_prctl(ARCH_SET_FS, 0x555556043380) = 0 set_tid_address(0x555556043650) = 5066 set_robust_list(0x555556043660, 24) = 0 rseq(0x555556043ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3630876872", 4096) = 28 getrandom("\x97\x52\xe2\x07\xa2\x57\xcc\xee", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556043d00 brk(0x555556064d00) = 0x555556064d00 brk(0x555556065000) = 0x555556065000 mprotect(0x7f021f331000, 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 mkdir("./syzkaller.HuogV7", 0700) = 0 chmod("./syzkaller.HuogV7", 0777) = 0 chdir("./syzkaller.HuogV7") = 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 5067 attached , child_tidptr=0x555556043650) = 5067 [pid 5067] set_robust_list(0x555556043660, 24) = 0 [pid 5067] chdir("./0") = 0 [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5067] setpgid(0, 0) = 0 [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1000", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5067] memfd_create("syzkaller", 0) = 3 [pid 5067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0216e78000 [pid 5067] 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 5067] munmap(0x7f0216e78000, 138412032) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5067] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5067] close(3) = 0 [pid 5067] mkdir("./bus", 0777) = 0 [pid 5067] mount("/dev/loop0", "./bus", "jfs", MS_LAZYTIME, "") = 0 [pid 5067] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5067] chdir("./bus") = 0 [pid 5067] ioctl(4, LOOP_CLR_FD) = 0 [pid 5067] close(4) = 0 [ 74.930779][ T5067] loop0: detected capacity change from 0 to 32768 [pid 5067] creat("./bus", 000) = 4 [pid 5067] ftruncate(4, 2048) = 0 [pid 5067] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW) = 5 [ 74.984187][ T5067] find_entry called with index = 0 [ 74.989841][ T5067] find_entry called with index = 0 [pid 5067] sendfile(4, 5, NULL, 122112) = 2048 [pid 5067] open(".", O_RDONLY) = 6 [ 75.014301][ T28] audit: type=1804 audit(1699977224.233:2): pid=5067 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor363" name="/root/syzkaller.HuogV7/0/bus/bus" dev="loop0" ino=7 res=1 errno=0 [ 75.036321][ T28] audit: type=1800 audit(1699977224.233:3): pid=5067 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor363" name="bus" dev="loop0" ino=7 res=0 errno=0 [ 75.057800][ T5067] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 1 [ 75.057800][ T5067] [ 75.070199][ T5067] ERROR: (device loop0): remounting filesystem as read-only [pid 5067] getdents64(6, 0x20000280 /* 5 entries */, 217) = 136 [pid 5067] exit_group(0) = ? [pid 5067] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=24 /* 0.24 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./0", MNT_DETACH|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, 0x5555560446f0 /* 4 entries */, 32768) = 104 [ 75.077515][ T5067] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 4 [ 75.077515][ T5067] [ 75.088801][ T5067] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 5 [ 75.088801][ T5067] [ 75.147333][ T5066] ------------[ cut here ]------------ [ 75.153056][ T5066] kernel BUG at fs/jfs/inode.c:169! [ 75.158286][ T5066] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 75.164365][ T5066] CPU: 1 PID: 5066 Comm: syz-executor363 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0 [ 75.174770][ T5066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 75.184916][ T5066] RIP: 0010:jfs_evict_inode+0x434/0x440 [ 75.190576][ T5066] Code: df e8 80 5e dc fe e9 1d fe ff ff e8 c6 81 80 fe 48 c7 c7 e0 c8 d1 8d 4c 89 ee e8 c7 53 ae 01 e9 92 fd ff ff e8 ad 81 80 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 41 57 41 56 41 54 [ 75.210196][ T5066] RSP: 0018:ffffc900042e7aa8 EFLAGS: 00010293 [ 75.216274][ T5066] RAX: ffffffff830dfd03 RBX: ffff8880786fb838 RCX: ffff88807f728000 [ 75.224277][ T5066] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880786fbbb0 [ 75.232246][ T5066] RBP: ffff8880786fbd78 R08: ffffffff821b7a16 R09: 1ffffffff21ba885 [ 75.240217][ T5066] R10: dffffc0000000000 R11: fffffbfff21ba886 R12: ffff8880786fbbb0 [ 75.248185][ T5066] R13: ffffffff8ba1fd30 R14: dffffc0000000000 R15: ffff8880786fbbb0 [ 75.256156][ T5066] FS: 0000555556043380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 75.265890][ T5066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.272488][ T5066] CR2: 000055555604c6f8 CR3: 0000000077178000 CR4: 00000000003506f0 [ 75.280553][ T5066] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.288529][ T5066] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.296506][ T5066] Call Trace: [ 75.299794][ T5066] [ 75.302752][ T5066] ? __die_body+0x8b/0xe0 [ 75.307098][ T5066] ? die+0xa1/0xd0 [ 75.310831][ T5066] ? do_trap+0x153/0x380 [ 75.315095][ T5066] ? jfs_evict_inode+0x434/0x440 [ 75.320050][ T5066] ? do_error_trap+0x1dc/0x2c0 [ 75.324828][ T5066] ? jfs_evict_inode+0x434/0x440 [ 75.329790][ T5066] ? do_int3+0x50/0x50 [ 75.333880][ T5066] ? handle_invalid_op+0x34/0x40 [ 75.338837][ T5066] ? jfs_evict_inode+0x434/0x440 [ 75.343810][ T5066] ? exc_invalid_op+0x34/0x50 [ 75.348514][ T5066] ? asm_exc_invalid_op+0x1a/0x20 [ 75.354510][ T5066] ? dquot_drop+0x46/0x2a0 [ 75.358938][ T5066] ? jfs_evict_inode+0x433/0x440 [ 75.363899][ T5066] ? jfs_evict_inode+0x434/0x440 [ 75.368857][ T5066] ? jfs_evict_inode+0x433/0x440 [ 75.373808][ T5066] ? jfs_write_inode+0x210/0x210 [ 75.378778][ T5066] evict+0x2a4/0x630 [ 75.382692][ T5066] evict_inodes+0x5f8/0x690 [ 75.387220][ T5066] ? clear_inode+0x160/0x160 [ 75.391847][ T5066] generic_shutdown_super+0x9d/0x2c0 [ 75.397144][ T5066] kill_block_super+0x44/0x90 [ 75.401828][ T5066] deactivate_locked_super+0xc1/0x130 [ 75.407211][ T5066] cleanup_mnt+0x426/0x4c0 [ 75.411659][ T5066] ? _raw_spin_unlock_irq+0x23/0x50 [ 75.416970][ T5066] task_work_run+0x24a/0x300 [ 75.421583][ T5066] ? task_work_cancel+0x2b0/0x2b0 [ 75.426628][ T5066] ? lockdep_hardirqs_on+0x98/0x140 [ 75.431869][ T5066] ? __x64_sys_umount+0x126/0x170 [ 75.437171][ T5066] ptrace_notify+0x2cd/0x380 [ 75.441786][ T5066] ? do_notify_parent+0x10c0/0x10c0 [ 75.447019][ T5066] ? __x64_sys_umount+0x126/0x170 [ 75.452052][ T5066] ? path_umount+0xf40/0xf40 [ 75.456652][ T5066] ? syscall_enter_from_user_mode+0xa4/0x2d0 [ 75.462649][ T5066] syscall_exit_to_user_mode+0x168/0x2a0 [ 75.468300][ T5066] do_syscall_64+0x52/0x110 [ 75.472816][ T5066] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 75.478721][ T5066] RIP: 0033:0x7f021f2b8407 [ 75.483143][ T5066] 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 [ 75.502772][ T5066] RSP: 002b:00007ffdec758948 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 75.511213][ T5066] RAX: 0000000000000000 RBX: 0000000000012357 RCX: 00007f021f2b8407 [ 75.519216][ T5066] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffdec758a00 [ 75.527196][ T5066] RBP: 00007ffdec758a00 R08: 0000000000000000 R09: 0000000000000000 [ 75.535177][ T5066] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffdec759a70 [ 75.543155][ T5066] R13: 00005555560446c0 R14: 431bde82d7b634db R15: 00007ffdec759a90 [ 75.551148][ T5066] [ 75.554187][ T5066] Modules linked in: [ 75.558549][ T5066] ---[ end trace 0000000000000000 ]--- [ 75.564222][ T5066] RIP: 0010:jfs_evict_inode+0x434/0x440 [ 75.570026][ T5066] Code: df e8 80 5e dc fe e9 1d fe ff ff e8 c6 81 80 fe 48 c7 c7 e0 c8 d1 8d 4c 89 ee e8 c7 53 ae 01 e9 92 fd ff ff e8 ad 81 80 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 41 57 41 56 41 54 [ 75.589720][ T5066] RSP: 0018:ffffc900042e7aa8 EFLAGS: 00010293 [ 75.595831][ T5066] RAX: ffffffff830dfd03 RBX: ffff8880786fb838 RCX: ffff88807f728000 [ 75.603978][ T5066] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880786fbbb0 [ 75.612006][ T5066] RBP: ffff8880786fbd78 R08: ffffffff821b7a16 R09: 1ffffffff21ba885 [ 75.620033][ T5066] R10: dffffc0000000000 R11: fffffbfff21ba886 R12: ffff8880786fbbb0 [ 75.628044][ T5066] R13: ffffffff8ba1fd30 R14: dffffc0000000000 R15: ffff8880786fbbb0 [ 75.636082][ T5066] FS: 0000555556043380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 75.645085][ T5066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.651710][ T5066] CR2: 000056359a7470c8 CR3: 0000000077178000 CR4: 00000000003506f0 [ 75.659769][ T5066] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.667748][ T5066] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.675775][ T5066] Kernel panic - not syncing: Fatal exception [ 75.682853][ T5066] Kernel Offset: disabled [ 75.687182][ T5066] Rebooting in 86400 seconds..