./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor468699942 <...> Warning: Permanently added '10.128.1.38' (ED25519) to the list of known hosts. execve("./syz-executor468699942", ["./syz-executor468699942"], 0x7ffee8d8e120 /* 10 vars */) = 0 brk(NULL) = 0x555593fc6000 brk(0x555593fc6d00) = 0x555593fc6d00 arch_prctl(ARCH_SET_FS, 0x555593fc6380) = 0 set_tid_address(0x555593fc6650) = 5217 set_robust_list(0x555593fc6660, 24) = 0 rseq(0x555593fc6ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor468699942", 4096) = 27 getrandom("\x2c\x88\x8a\xce\x58\x77\x78\x30", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555593fc6d00 brk(0x555593fe7d00) = 0x555593fe7d00 brk(0x555593fe8000) = 0x555593fe8000 mprotect(0x7feee9791000, 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.UHl3A0", 0700) = 0 chmod("./syzkaller.UHl3A0", 0777) = 0 chdir("./syzkaller.UHl3A0") = 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 5218 attached , child_tidptr=0x555593fc6650) = 5218 [pid 5218] set_robust_list(0x555593fc6660, 24) = 0 [pid 5218] chdir("./0") = 0 [pid 5218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5218] setpgid(0, 0) = 0 [pid 5218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5218] write(3, "1000", 4) = 4 [pid 5218] close(3) = 0 [pid 5218] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5218] write(1, "executing program\n", 18) = 18 [pid 5218] memfd_create("syzkaller", 0) = 3 [pid 5218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feee1200000 [pid 5218] 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 5218] munmap(0x7feee1200000, 138412032) = 0 [pid 5218] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5218] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5218] close(3) = 0 [pid 5218] close(4) = 0 [pid 5218] mkdir("./file0", 0777) = 0 [pid 5218] mount("/dev/loop0", "./file0", "jfs", MS_SILENT|MS_I_VERSION, "usrquota,errors=continue,nodiscard,usrquota,errors=remount-ro,discard,resize=0x0") = 0 [pid 5218] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5218] chdir("./file0") = 0 [pid 5218] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5218] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 4 [pid 5218] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 5 [pid 5218] ftruncate(5, 38639) = 0 [ 79.773998][ T5218] loop0: detected capacity change from 0 to 32768 [pid 5218] sendfile(4, 5, NULL, 281474978811909) = 38639 [pid 5218] open_tree(AT_FDCWD, "./file0", 0) = 6 [pid 5218] renameat2(AT_FDCWD, "./file1", 6, "./file0", 0) = -1 EIO (Input/output error) [pid 5218] exit_group(0) = ? [pid 5218] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5218, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 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, 0x555593fc76f0 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 79.853815][ T5218] read_mapping_page failed! [ 79.858775][ T5218] ERROR: (device loop0): txCommit: [ 79.858775][ T5218] [ 79.866842][ T5218] ERROR: (device loop0): remounting filesystem as read-only newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 [ 79.927825][ T5217] ------------[ cut here ]------------ [ 79.933423][ T5217] kernel BUG at fs/jfs/inode.c:169! [ 79.938754][ T5217] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 79.945717][ T5217] CPU: 1 UID: 0 PID: 5217 Comm: syz-executor468 Not tainted 6.11.0-rc1-syzkaller-00062-ge4fc196f5ba3 #0 [ 79.956814][ T5217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 79.966862][ T5217] RIP: 0010:jfs_evict_inode+0x434/0x440 [ 79.972426][ T5217] Code: df e8 20 12 da fe e9 1d fe ff ff e8 06 ff 75 fe 48 c7 c7 c0 e0 b3 8e 4c 89 ee e8 37 f7 c3 01 e9 92 fd ff ff e8 ed fe 75 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 [ 79.992028][ T5217] RSP: 0018:ffffc9000355fa68 EFLAGS: 00010293 [ 79.998116][ T5217] RAX: ffffffff831d66e3 RBX: ffff88807af900b8 RCX: ffff88806b295a00 [ 80.006105][ T5217] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807af90430 [ 80.014068][ T5217] RBP: ffff88807af905f0 R08: ffffffff822b4333 R09: 1ffffffff269d71a [ 80.022033][ T5217] R10: dffffc0000000000 R11: ffffffff831d4450 R12: ffff88807af90430 [ 80.029997][ T5217] R13: ffffffff8c225af0 R14: dffffc0000000000 R15: ffff88807af90430 [ 80.037962][ T5217] FS: 0000555593fc6380(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 [ 80.046890][ T5217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.053477][ T5217] CR2: 00007ffd17feda8c CR3: 000000007a486000 CR4: 00000000003506f0 [ 80.061451][ T5217] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.069425][ T5217] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.077399][ T5217] Call Trace: [ 80.080680][ T5217] [ 80.083620][ T5217] ? __die_body+0x88/0xe0 [ 80.087991][ T5217] ? die+0xcf/0x110 [ 80.091807][ T5217] ? do_trap+0x15a/0x3a0 [ 80.096063][ T5217] ? jfs_evict_inode+0x434/0x440 [ 80.101006][ T5217] ? do_error_trap+0x1dc/0x2c0 [ 80.105774][ T5217] ? jfs_evict_inode+0x434/0x440 [ 80.110739][ T5217] ? __pfx_do_error_trap+0x10/0x10 [ 80.115866][ T5217] ? handle_invalid_op+0x34/0x40 [ 80.120812][ T5217] ? jfs_evict_inode+0x434/0x440 [ 80.125754][ T5217] ? exc_invalid_op+0x38/0x50 [ 80.130445][ T5217] ? asm_exc_invalid_op+0x1a/0x20 [ 80.135479][ T5217] ? __pfx_jfs_get_dquots+0x10/0x10 [ 80.140684][ T5217] ? dquot_drop+0x43/0x160 [ 80.145104][ T5217] ? jfs_evict_inode+0x433/0x440 [ 80.150046][ T5217] ? jfs_evict_inode+0x434/0x440 [ 80.154990][ T5217] ? jfs_evict_inode+0x433/0x440 [ 80.159976][ T5217] ? __pfx_jfs_evict_inode+0x10/0x10 [ 80.165266][ T5217] evict+0x2a8/0x630 [ 80.169173][ T5217] evict_inodes+0x5f9/0x690 [ 80.173680][ T5217] ? __pfx_evict_inodes+0x10/0x10 [ 80.178728][ T5217] ? dput+0x37/0x2b0 [ 80.182630][ T5217] generic_shutdown_super+0x9d/0x2d0 [ 80.187931][ T5217] kill_block_super+0x44/0x90 [ 80.192614][ T5217] deactivate_locked_super+0xc4/0x130 [ 80.198031][ T5217] cleanup_mnt+0x41f/0x4b0 [ 80.202459][ T5217] ? lockdep_hardirqs_on+0x99/0x150 [ 80.207723][ T5217] task_work_run+0x24f/0x310 [ 80.212316][ T5217] ? __pfx_task_work_run+0x10/0x10 [ 80.217429][ T5217] ? path_umount+0x284/0xf70 [ 80.222096][ T5217] ptrace_notify+0x2d2/0x380 [ 80.226690][ T5217] ? __pfx_path_umount+0x10/0x10 [ 80.231642][ T5217] ? __pfx_ptrace_notify+0x10/0x10 [ 80.236761][ T5217] ? __x64_sys_umount+0x123/0x170 [ 80.241788][ T5217] ? __pfx___x64_sys_umount+0x10/0x10 [ 80.247183][ T5217] syscall_exit_work+0xc6/0x190 [ 80.252038][ T5217] syscall_exit_to_user_mode+0x279/0x370 [ 80.257679][ T5217] do_syscall_64+0x100/0x230 [ 80.262275][ T5217] ? clear_bhb_loop+0x35/0x90 [ 80.266976][ T5217] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.272876][ T5217] RIP: 0033:0x7feee9718507 [ 80.277307][ T5217] 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 [ 80.296933][ T5217] RSP: 002b:00007ffd17feda78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 80.305526][ T5217] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007feee9718507 [ 80.313501][ T5217] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd17fedb30 [ 80.321489][ T5217] RBP: 00007ffd17fedb30 R08: 0000000000000000 R09: 0000000000000000 [ 80.329461][ T5217] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd17feeba0 [ 80.337454][ T5217] R13: 0000555593fc76c0 R14: 431bde82d7b634db R15: 00007ffd17feebc0 [ 80.345442][ T5217] [ 80.348459][ T5217] Modules linked in: [ 80.353264][ T5217] ---[ end trace 0000000000000000 ]--- [ 80.358786][ T5217] RIP: 0010:jfs_evict_inode+0x434/0x440 [ 80.364362][ T5217] Code: df e8 20 12 da fe e9 1d fe ff ff e8 06 ff 75 fe 48 c7 c7 c0 e0 b3 8e 4c 89 ee e8 37 f7 c3 01 e9 92 fd ff ff e8 ed fe 75 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 [ 80.384100][ T5217] RSP: 0018:ffffc9000355fa68 EFLAGS: 00010293 [ 80.390238][ T5217] RAX: ffffffff831d66e3 RBX: ffff88807af900b8 RCX: ffff88806b295a00 [ 80.398278][ T5217] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807af90430 [ 80.406327][ T5217] RBP: ffff88807af905f0 R08: ffffffff822b4333 R09: 1ffffffff269d71a [ 80.414404][ T5217] R10: dffffc0000000000 R11: ffffffff831d4450 R12: ffff88807af90430 [ 80.422402][ T5217] R13: ffffffff8c225af0 R14: dffffc0000000000 R15: ffff88807af90430 [ 80.430443][ T5217] FS: 0000555593fc6380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 [ 80.439428][ T5217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.446050][ T5217] CR2: 0000555593fcf6f8 CR3: 000000007a486000 CR4: 00000000003506f0 [ 80.454039][ T5217] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.462041][ T5217] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.470054][ T5217] Kernel panic - not syncing: Fatal exception [ 80.476431][ T5217] Kernel Offset: disabled [ 80.480756][ T5217] Rebooting in 86400 seconds..