./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1743338554 <...> Warning: Permanently added '10.128.1.29' (ED25519) to the list of known hosts. execve("./syz-executor1743338554", ["./syz-executor1743338554"], 0x7ffd99be6780 /* 10 vars */) = 0 brk(NULL) = 0x55558de3c000 brk(0x55558de3cd00) = 0x55558de3cd00 arch_prctl(ARCH_SET_FS, 0x55558de3c380) = 0 set_tid_address(0x55558de3c650) = 5218 set_robust_list(0x55558de3c660, 24) = 0 rseq(0x55558de3cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1743338554", 4096) = 28 getrandom("\xcd\xe0\x62\xe0\xe9\xf2\x83\x0a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558de3cd00 brk(0x55558de5dd00) = 0x55558de5dd00 brk(0x55558de5e000) = 0x55558de5e000 mprotect(0x7f39174da000, 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.YPFjkH", 0700) = 0 chmod("./syzkaller.YPFjkH", 0777) = 0 chdir("./syzkaller.YPFjkH") = 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 5220 attached [pid 5220] set_robust_list(0x55558de3c660, 24) = 0 [pid 5220] chdir("./0") = 0 [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5218] <... clone resumed>, child_tidptr=0x55558de3c650) = 5220 [pid 5220] <... prctl resumed>) = 0 [pid 5220] setpgid(0, 0) = 0 [pid 5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "1000", 4) = 4 [pid 5220] close(3) = 0 [pid 5220] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5220] write(1, "executing program\n", 18) = 18 [pid 5220] memfd_create("syzkaller", 0) = 3 [pid 5220] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f390f000000 [pid 5220] 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 5220] munmap(0x7f390f000000, 138412032) = 0 [pid 5220] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5220] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5220] close(3) = 0 [pid 5220] close(4) = 0 [pid 5220] mkdir("./file0", 0777) = 0 [pid 5220] mount("/dev/loop0", "./file0", "jfs", MS_NOSUID|MS_NODIRATIME|MS_REC|MS_SILENT|MS_POSIXACL, "") = 0 [pid 5220] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5220] chdir("./file0") = 0 [pid 5220] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5220] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5220] write(4, "\x08\x00\x00\x00\x85\xf0\x80\xa4\x93\x3d\x55\x26\x6e\x07\xe7\x99\xaa\x0c\xc4\x21\x38\x82\x42\xdf\x2a\x3c\x6b\x63\x1b\x65\xb1\xc0\x61\xed\xd2\xaa\x10\x8c\x35\x28\xfe\x9b\x0b\xb3\xa5\x3a\xb1\x20\x0f\x5d\x01\xa6\x8a\x4a\xcd\xec\x8f\xee\x09\x64\x82\x22\xf9\x08\xc1\xfe\xdc\x30\x00\x34\x2e\x61\x39\xde\x28\x36\x6c\x13\x50\x93\x06\xd0\x0e\xbc\xc6\x74\x97\x18\x1a\xc9\x16\xdb\x98\xaf\x9d\x36\x6b\x76\xe4\x27"..., 4102) = 4102 syzkaller login: [ 58.017658][ T5220] loop0: detected capacity change from 0 to 32768 [pid 5220] mkdir("./bus", 000) = -1 EIO (Input/output error) [pid 5220] exit_group(0) = ? [pid 5220] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5220, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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, 0x55558de3d6f0 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 58.072308][ T5220] ERROR: (device loop0): diAllocAG: error reading iag [ 58.072308][ T5220] [ 58.082098][ T5220] ERROR: (device loop0): remounting filesystem as read-only [ 58.089396][ T5220] ialloc: diAlloc returned -5! newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 [ 58.144075][ T5218] ------------[ cut here ]------------ [ 58.149690][ T5218] kernel BUG at fs/jfs/inode.c:169! [ 58.155474][ T5218] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 58.162420][ T5218] CPU: 1 UID: 0 PID: 5218 Comm: syz-executor174 Not tainted 6.11.0-rc7-syzkaller-00149-g0babf683783d #0 [ 58.173504][ T5218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 58.183548][ T5218] RIP: 0010:jfs_evict_inode+0x434/0x440 [ 58.189081][ T5218] Code: df e8 b0 45 d8 fe e9 1d fe ff ff e8 26 22 74 fe 48 c7 c7 a0 3e b4 8e 4c 89 ee e8 87 58 c4 01 e9 92 fd ff ff e8 0d 22 74 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 [ 58.208682][ T5218] RSP: 0018:ffffc9000356f998 EFLAGS: 00010293 [ 58.214735][ T5218] RAX: ffffffff831f6a53 RBX: ffff88807d3bb808 RCX: ffff888030059e00 [ 58.222693][ T5218] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807d3bbb80 [ 58.230652][ T5218] RBP: ffffc9000356fb10 R08: ffffffff822cb593 R09: 1ffffffff27f4d21 [ 58.238607][ T5218] R10: dffffc0000000000 R11: ffffffff831f47c0 R12: ffff88807d3bbb80 [ 58.246566][ T5218] R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff88807d3bbb80 [ 58.254526][ T5218] FS: 000055558de3c380(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 [ 58.263444][ T5218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.270019][ T5218] CR2: 00007fff7d17afbc CR3: 000000002a58c000 CR4: 00000000003506f0 [ 58.277984][ T5218] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.285944][ T5218] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.293899][ T5218] Call Trace: [ 58.297191][ T5218] [ 58.300108][ T5218] ? __die_body+0x88/0xe0 [ 58.304434][ T5218] ? die+0xcf/0x110 [ 58.308233][ T5218] ? do_trap+0x15a/0x3a0 [ 58.312463][ T5218] ? jfs_evict_inode+0x434/0x440 [ 58.317386][ T5218] ? do_error_trap+0x1dc/0x2c0 [ 58.322135][ T5218] ? jfs_evict_inode+0x434/0x440 [ 58.327063][ T5218] ? __pfx_do_error_trap+0x10/0x10 [ 58.332165][ T5218] ? handle_invalid_op+0x34/0x40 [ 58.337088][ T5218] ? jfs_evict_inode+0x434/0x440 [ 58.342010][ T5218] ? exc_invalid_op+0x38/0x50 [ 58.346685][ T5218] ? asm_exc_invalid_op+0x1a/0x20 [ 58.351698][ T5218] ? __pfx_jfs_get_dquots+0x10/0x10 [ 58.356880][ T5218] ? dquot_drop+0x43/0x160 [ 58.361300][ T5218] ? jfs_evict_inode+0x433/0x440 [ 58.366243][ T5218] ? jfs_evict_inode+0x434/0x440 [ 58.371178][ T5218] ? jfs_evict_inode+0x433/0x440 [ 58.376105][ T5218] ? __pfx_jfs_evict_inode+0x10/0x10 [ 58.381387][ T5218] evict+0x532/0x950 [ 58.385365][ T5218] ? __pfx_evict+0x10/0x10 [ 58.389768][ T5218] ? do_raw_spin_unlock+0x13c/0x8b0 [ 58.394955][ T5218] ? list_lru_del_obj+0x3b5/0x400 [ 58.399970][ T5218] evict_inodes+0x5f9/0x690 [ 58.404460][ T5218] ? __pfx_evict_inodes+0x10/0x10 [ 58.409470][ T5218] ? dput+0x37/0x2b0 [ 58.413359][ T5218] generic_shutdown_super+0x9d/0x2d0 [ 58.418631][ T5218] kill_block_super+0x44/0x90 [ 58.423299][ T5218] deactivate_locked_super+0xc4/0x130 [ 58.428661][ T5218] cleanup_mnt+0x41f/0x4b0 [ 58.433069][ T5218] ? lockdep_hardirqs_on+0x99/0x150 [ 58.438255][ T5218] task_work_run+0x24f/0x310 [ 58.442833][ T5218] ? __pfx_task_work_run+0x10/0x10 [ 58.447927][ T5218] ? path_umount+0x284/0xf70 [ 58.452509][ T5218] ptrace_notify+0x2d2/0x380 [ 58.457083][ T5218] ? __pfx_path_umount+0x10/0x10 [ 58.462009][ T5218] ? __pfx_ptrace_notify+0x10/0x10 [ 58.467108][ T5218] ? __x64_sys_umount+0x123/0x170 [ 58.472117][ T5218] ? __pfx___x64_sys_umount+0x10/0x10 [ 58.477475][ T5218] syscall_exit_work+0xc6/0x190 [ 58.482308][ T5218] syscall_exit_to_user_mode+0x279/0x370 [ 58.487927][ T5218] do_syscall_64+0x100/0x230 [ 58.492500][ T5218] ? clear_bhb_loop+0x35/0x90 [ 58.497164][ T5218] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.503044][ T5218] RIP: 0033:0x7f39174603c7 [ 58.507459][ T5218] 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 [ 58.527047][ T5218] RSP: 002b:00007fff7d17afa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 58.535447][ T5218] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f39174603c7 [ 58.543401][ T5218] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff7d17b060 [ 58.551357][ T5218] RBP: 00007fff7d17b060 R08: 0000000000000000 R09: 0000000000000000 [ 58.559310][ T5218] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff7d17c0c0 [ 58.567264][ T5218] R13: 000055558de3d6c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 58.575228][ T5218] [ 58.578229][ T5218] Modules linked in: [ 58.582413][ T5218] ---[ end trace 0000000000000000 ]--- [ 58.587878][ T5218] RIP: 0010:jfs_evict_inode+0x434/0x440 [ 58.593466][ T5218] Code: df e8 b0 45 d8 fe e9 1d fe ff ff e8 26 22 74 fe 48 c7 c7 a0 3e b4 8e 4c 89 ee e8 87 58 c4 01 e9 92 fd ff ff e8 0d 22 74 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 [ 58.613096][ T5218] RSP: 0018:ffffc9000356f998 EFLAGS: 00010293 [ 58.619141][ T5218] RAX: ffffffff831f6a53 RBX: ffff88807d3bb808 RCX: ffff888030059e00 [ 58.627123][ T5218] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807d3bbb80 [ 58.635127][ T5218] RBP: ffffc9000356fb10 R08: ffffffff822cb593 R09: 1ffffffff27f4d21 [ 58.643115][ T5218] R10: dffffc0000000000 R11: ffffffff831f47c0 R12: ffff88807d3bbb80 [ 58.651108][ T5218] R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff88807d3bbb80 [ 58.659059][ T5218] FS: 000055558de3c380(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 [ 58.668046][ T5218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.674684][ T5218] CR2: 00007fff7d17afbc CR3: 000000002a58c000 CR4: 00000000003506f0 [ 58.683131][ T5218] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.691159][ T5218] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.699118][ T5218] Kernel panic - not syncing: Fatal exception [ 58.705431][ T5218] Kernel Offset: disabled [ 58.709742][ T5218] Rebooting in 86400 seconds..