./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2050766842 <...> Warning: Permanently added '10.128.0.43' (ED25519) to the list of known hosts. execve("./syz-executor2050766842", ["./syz-executor2050766842"], 0x7ffc13056bc0 /* 10 vars */) = 0 brk(NULL) = 0x55558890f000 brk(0x55558890fd00) = 0x55558890fd00 arch_prctl(ARCH_SET_FS, 0x55558890f380) = 0 set_tid_address(0x55558890f650) = 5221 set_robust_list(0x55558890f660, 24) = 0 rseq(0x55558890fca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2050766842", 4096) = 28 getrandom("\x97\xc1\x91\x50\x8c\x99\x60\x5a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558890fd00 brk(0x555588930d00) = 0x555588930d00 brk(0x555588931000) = 0x555588931000 mprotect(0x7fc0f7d9d000, 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.TYNM5V", 0700) = 0 chmod("./syzkaller.TYNM5V", 0777) = 0 chdir("./syzkaller.TYNM5V") = 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 5222 attached , child_tidptr=0x55558890f650) = 5222 [pid 5222] set_robust_list(0x55558890f660, 24) = 0 [pid 5222] chdir("./0") = 0 [pid 5222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5222] setpgid(0, 0) = 0 [pid 5222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5222] write(3, "1000", 4) = 4 [pid 5222] close(3) = 0 [pid 5222] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5222] write(1, "executing program\n", 18executing program ) = 18 [pid 5222] memfd_create("syzkaller", 0) = 3 [pid 5222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc0ef800000 [pid 5222] 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 5222] munmap(0x7fc0ef800000, 138412032) = 0 [pid 5222] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5222] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5222] close(3) = 0 [pid 5222] close(4) = 0 [pid 5222] mkdir("./file0", 0777) = 0 [pid 5222] mount("/dev/loop0", "./file0", "jfs", MS_SILENT|MS_I_VERSION, "usrquota,errors=continue,nodiscard,usrquota,errors=remount-ro,discard,resize=0x0") = 0 [pid 5222] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5222] chdir("./file0") = 0 [pid 5222] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5222] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 79.838151][ T5222] loop0: detected capacity change from 0 to 32768 [pid 5222] write(4, "\x23\x21\x20\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65191) = 65191 [pid 5222] chdir("./file0") = 0 [pid 5222] openat(AT_FDCWD, ".", O_RDONLY) = 5 [pid 5222] linkat(5, "./file1", 5, "./bus", 0) = -1 EIO (Input/output error) [pid 5222] exit_group(0) = ? [pid 5222] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5222, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 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, 0x5555889106f0 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 [ 79.908315][ T5222] find_entry called with index = 0 [ 79.913982][ T5222] read_mapping_page failed! [ 79.918997][ T5222] ERROR: (device loop0): txCommit: [ 79.918997][ T5222] [ 79.926970][ T5222] ERROR: (device loop0): remounting filesystem as read-only [ 79.987223][ T5221] ------------[ cut here ]------------ [ 79.993146][ T5221] kernel BUG at fs/jfs/inode.c:169! [ 79.998445][ T5221] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 80.005403][ T5221] CPU: 1 UID: 0 PID: 5221 Comm: syz-executor205 Not tainted 6.11.0-rc1-syzkaller-00062-ge4fc196f5ba3 #0 [ 80.016591][ T5221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 80.026643][ T5221] RIP: 0010:jfs_evict_inode+0x434/0x440 [ 80.032191][ T5221] 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 [ 80.051792][ T5221] RSP: 0018:ffffc900033bfa68 EFLAGS: 00010293 [ 80.057858][ T5221] RAX: ffffffff831d66e3 RBX: ffff88807a7609f0 RCX: ffff888027585a00 [ 80.065822][ T5221] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807a760d68 [ 80.073791][ T5221] RBP: ffff88807a760f28 R08: ffffffff822b4333 R09: 1ffffffff269d71a [ 80.081849][ T5221] R10: dffffc0000000000 R11: ffffffff831d4450 R12: ffff88807a760d68 [ 80.089821][ T5221] R13: ffffffff8c225af0 R14: dffffc0000000000 R15: ffff88807a760d68 [ 80.097796][ T5221] FS: 000055558890f380(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 [ 80.106725][ T5221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.113304][ T5221] CR2: 00007ffc4b3e0fcc CR3: 000000007914e000 CR4: 00000000003506f0 [ 80.121275][ T5221] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.129242][ T5221] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.137211][ T5221] Call Trace: [ 80.140521][ T5221] [ 80.143556][ T5221] ? __die_body+0x88/0xe0 [ 80.147933][ T5221] ? die+0xcf/0x110 [ 80.151753][ T5221] ? do_trap+0x15a/0x3a0 [ 80.156088][ T5221] ? jfs_evict_inode+0x434/0x440 [ 80.161053][ T5221] ? do_error_trap+0x1dc/0x2c0 [ 80.165840][ T5221] ? jfs_evict_inode+0x434/0x440 [ 80.170792][ T5221] ? __pfx_do_error_trap+0x10/0x10 [ 80.175917][ T5221] ? handle_invalid_op+0x34/0x40 [ 80.180876][ T5221] ? jfs_evict_inode+0x434/0x440 [ 80.185839][ T5221] ? exc_invalid_op+0x38/0x50 [ 80.190624][ T5221] ? asm_exc_invalid_op+0x1a/0x20 [ 80.195657][ T5221] ? __pfx_jfs_get_dquots+0x10/0x10 [ 80.200882][ T5221] ? dquot_drop+0x43/0x160 [ 80.205351][ T5221] ? jfs_evict_inode+0x433/0x440 [ 80.210338][ T5221] ? jfs_evict_inode+0x434/0x440 [ 80.215290][ T5221] ? jfs_evict_inode+0x433/0x440 [ 80.220250][ T5221] ? __pfx_jfs_evict_inode+0x10/0x10 [ 80.225598][ T5221] evict+0x2a8/0x630 [ 80.229575][ T5221] evict_inodes+0x5f9/0x690 [ 80.234113][ T5221] ? __pfx_evict_inodes+0x10/0x10 [ 80.239160][ T5221] ? dput+0x37/0x2b0 [ 80.243107][ T5221] generic_shutdown_super+0x9d/0x2d0 [ 80.248434][ T5221] kill_block_super+0x44/0x90 [ 80.253123][ T5221] deactivate_locked_super+0xc4/0x130 [ 80.258514][ T5221] cleanup_mnt+0x41f/0x4b0 [ 80.262955][ T5221] ? lockdep_hardirqs_on+0x99/0x150 [ 80.268175][ T5221] task_work_run+0x24f/0x310 [ 80.272782][ T5221] ? __pfx_task_work_run+0x10/0x10 [ 80.277920][ T5221] ? path_umount+0x284/0xf70 [ 80.282526][ T5221] ptrace_notify+0x2d2/0x380 [ 80.287120][ T5221] ? __pfx_path_umount+0x10/0x10 [ 80.292070][ T5221] ? __pfx_ptrace_notify+0x10/0x10 [ 80.297274][ T5221] ? __x64_sys_umount+0x123/0x170 [ 80.302297][ T5221] ? __pfx___x64_sys_umount+0x10/0x10 [ 80.307671][ T5221] syscall_exit_work+0xc6/0x190 [ 80.312528][ T5221] syscall_exit_to_user_mode+0x279/0x370 [ 80.318168][ T5221] do_syscall_64+0x100/0x230 [ 80.322800][ T5221] ? clear_bhb_loop+0x35/0x90 [ 80.327487][ T5221] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.333391][ T5221] RIP: 0033:0x7fc0f7d24507 [ 80.337834][ T5221] 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 [ 80.357440][ T5221] RSP: 002b:00007ffc4b3e0fb8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 80.365868][ T5221] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc0f7d24507 [ 80.373941][ T5221] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc4b3e1070 [ 80.381993][ T5221] RBP: 00007ffc4b3e1070 R08: 0000000000000000 R09: 0000000000000000 [ 80.389963][ T5221] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc4b3e20e0 [ 80.397935][ T5221] R13: 00005555889106c0 R14: 431bde82d7b634db R15: 00007ffc4b3e2100 [ 80.405913][ T5221] [ 80.408929][ T5221] Modules linked in: [ 80.413046][ T5221] ---[ end trace 0000000000000000 ]--- [ 80.418675][ T5221] RIP: 0010:jfs_evict_inode+0x434/0x440 [ 80.424256][ T5221] 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 [ 80.444035][ T5221] RSP: 0018:ffffc900033bfa68 EFLAGS: 00010293 [ 80.450157][ T5221] RAX: ffffffff831d66e3 RBX: ffff88807a7609f0 RCX: ffff888027585a00 [ 80.458205][ T5221] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807a760d68 [ 80.466174][ T5221] RBP: ffff88807a760f28 R08: ffffffff822b4333 R09: 1ffffffff269d71a [ 80.474170][ T5221] R10: dffffc0000000000 R11: ffffffff831d4450 R12: ffff88807a760d68 [ 80.482195][ T5221] R13: ffffffff8c225af0 R14: dffffc0000000000 R15: ffff88807a760d68 [ 80.490208][ T5221] FS: 000055558890f380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 [ 80.499181][ T5221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.505774][ T5221] CR2: 00005555889186f8 CR3: 000000007914e000 CR4: 00000000003506f0 [ 80.513822][ T5221] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.521833][ T5221] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.529924][ T5221] Kernel panic - not syncing: Fatal exception [ 80.536291][ T5221] Kernel Offset: disabled [ 80.540630][ T5221] Rebooting in 86400 seconds..