./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2361674027 <...> Warning: Permanently added '10.128.0.46' (ED25519) to the list of known hosts. execve("./syz-executor2361674027", ["./syz-executor2361674027"], 0x7fffad911b40 /* 10 vars */) = 0 brk(NULL) = 0x55557a748000 brk(0x55557a748d00) = 0x55557a748d00 arch_prctl(ARCH_SET_FS, 0x55557a748380) = 0 set_tid_address(0x55557a748650) = 5080 set_robust_list(0x55557a748660, 24) = 0 rseq(0x55557a748ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2361674027", 4096) = 28 getrandom("\x2b\x05\xb3\x7a\x76\x93\xa7\xe8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557a748d00 brk(0x55557a769d00) = 0x55557a769d00 brk(0x55557a76a000) = 0x55557a76a000 mprotect(0x7f215502a000, 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.i6MUdJ", 0700) = 0 chmod("./syzkaller.i6MUdJ", 0777) = 0 chdir("./syzkaller.i6MUdJ") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557a748650) = 5081 ./strace-static-x86_64: Process 5081 attached [pid 5081] set_robust_list(0x55557a748660, 24) = 0 [pid 5081] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5081] setsid() = 1 [pid 5081] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5081] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5081] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5081] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5081] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5081] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5081] unshare(CLONE_NEWNS) = 0 [pid 5081] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5081] unshare(CLONE_NEWIPC) = 0 [pid 5081] unshare(CLONE_NEWCGROUP) = 0 [pid 5081] unshare(CLONE_NEWUTS) = 0 [pid 5081] unshare(CLONE_SYSVSEM) = 0 [pid 5081] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5081] write(3, "16777216", 8) = 8 [pid 5081] close(3) = 0 [pid 5081] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5081] write(3, "536870912", 9) = 9 [pid 5081] close(3) = 0 [pid 5081] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5081] write(3, "1024", 4) = 4 [pid 5081] close(3) = 0 [pid 5081] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5081] write(3, "8192", 4) = 4 [pid 5081] close(3) = 0 [pid 5081] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5081] write(3, "1024", 4) = 4 [pid 5081] close(3) = 0 [pid 5081] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5081] write(3, "1024", 4) = 4 [pid 5081] close(3) = 0 [pid 5081] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5081] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5081] close(3) = 0 [pid 5081] getpid() = 1 [pid 5081] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 5081] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5081] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5081] getdents64(3, 0x55557a7496f0 /* 4 entries */, 32768) = 104 [pid 5081] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 5081] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0755, st_size=64, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5081] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 5081] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5081] newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=64, ...}, AT_EMPTY_PATH) = 0 [ 55.746611][ T5081] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 1 [ 55.746611][ T5081] [ 55.758585][ T5081] ERROR: (device loop0): remounting filesystem as read-only [ 55.765947][ T5081] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 4 [ 55.765947][ T5081] [ 55.777314][ T5081] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 5 [ 55.777314][ T5081] [pid 5081] getdents64(4, 0x55557a751730 /* 5 entries */, 32768) = 144 [pid 5081] umount2("./0/bus/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 5081] newfstatat(AT_FDCWD, "./0/bus/file0", 0x7ffea1369820, AT_SYMLINK_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 5081] exit_group(1) = ? [ 55.788637][ T5081] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 6 [ 55.788637][ T5081] [ 55.799878][ T5081] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 7 [ 55.799878][ T5081] [ 55.821082][ T5081] ================================================================== [ 55.829175][ T5081] BUG: KASAN: user-memory-access in __destroy_inode+0x479/0x650 [ 55.836816][ T5081] Write of size 4 at addr 0000000b00000000 by task syz-executor236/5081 [ 55.845147][ T5081] [ 55.847482][ T5081] CPU: 1 PID: 5081 Comm: syz-executor236 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0 [ 55.857980][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 55.868026][ T5081] Call Trace: [ 55.871285][ T5081] [ 55.874194][ T5081] dump_stack_lvl+0x241/0x360 [ 55.878873][ T5081] ? __pfx_dump_stack_lvl+0x10/0x10 [ 55.884045][ T5081] ? __pfx__printk+0x10/0x10 [ 55.888611][ T5081] ? _printk+0xd5/0x120 [ 55.892750][ T5081] print_report+0xe8/0x550 [ 55.897146][ T5081] ? __virt_addr_valid+0x58/0x520 [ 55.902165][ T5081] ? __destroy_inode+0x479/0x650 [ 55.907079][ T5081] kasan_report+0x143/0x180 [ 55.911589][ T5081] ? __destroy_inode+0x479/0x650 [ 55.916503][ T5081] kasan_check_range+0x282/0x290 [ 55.921433][ T5081] __destroy_inode+0x479/0x650 [ 55.926177][ T5081] evict+0x521/0x630 [ 55.930051][ T5081] evict_inodes+0x5f9/0x690 [ 55.934617][ T5081] ? __pfx_evict_inodes+0x10/0x10 [ 55.939625][ T5081] ? dput+0x37/0x2b0 [ 55.943527][ T5081] generic_shutdown_super+0x9d/0x2d0 [ 55.948797][ T5081] kill_block_super+0x44/0x90 [ 55.953463][ T5081] deactivate_locked_super+0xc4/0x130 [ 55.958813][ T5081] cleanup_mnt+0x41f/0x4b0 [ 55.963209][ T5081] ? lockdep_hardirqs_on+0x99/0x150 [ 55.968384][ T5081] task_work_run+0x24f/0x310 [ 55.972957][ T5081] ? __pfx_task_work_run+0x10/0x10 [ 55.978050][ T5081] ? do_exit+0xa22/0x27e0 [ 55.982451][ T5081] ? kmem_cache_free+0x145/0x350 [ 55.987367][ T5081] do_exit+0xa27/0x27e0 [ 55.991531][ T5081] ? __pfx_do_exit+0x10/0x10 [ 55.996104][ T5081] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 56.002062][ T5081] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 56.008367][ T5081] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.013544][ T5081] ? lockdep_hardirqs_on+0x99/0x150 [ 56.018718][ T5081] do_group_exit+0x207/0x2c0 [ 56.023375][ T5081] __x64_sys_exit_group+0x3f/0x40 [ 56.028377][ T5081] do_syscall_64+0xf3/0x230 [ 56.032856][ T5081] ? clear_bhb_loop+0x35/0x90 [ 56.037513][ T5081] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 56.043407][ T5081] RIP: 0033:0x7f2154fae349 [ 56.047802][ T5081] Code: Unable to access opcode bytes at 0x7f2154fae31f. [ 56.054793][ T5081] RSP: 002b:00007ffea1369798 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 56.063268][ T5081] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2154fae349 [ 56.071318][ T5081] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 56.079266][ T5081] RBP: 00007f2155030370 R08: ffffffffffffffb8 R09: 0000000000000000 [ 56.087216][ T5081] R10: 0000000000000100 R11: 0000000000000246 R12: 00007f2155030370 [ 56.095184][ T5081] R13: 0000000000000000 R14: 00007f21550310e0 R15: 00007f2154f7c2f0 [ 56.103132][ T5081] [ 56.106130][ T5081] ================================================================== [ 56.116114][ T5081] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 56.123312][ T5081] CPU: 0 PID: 5081 Comm: syz-executor236 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0 [ 56.133791][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 56.143835][ T5081] Call Trace: [ 56.147103][ T5081] [ 56.150019][ T5081] dump_stack_lvl+0x241/0x360 [ 56.154688][ T5081] ? __pfx_dump_stack_lvl+0x10/0x10 [ 56.159871][ T5081] ? __pfx__printk+0x10/0x10 [ 56.164447][ T5081] ? preempt_schedule+0xe1/0xf0 [ 56.169301][ T5081] ? vscnprintf+0x5d/0x90 [ 56.173618][ T5081] panic+0x349/0x860 [ 56.177505][ T5081] ? check_panic_on_warn+0x21/0xb0 [ 56.182605][ T5081] ? __pfx_panic+0x10/0x10 [ 56.187011][ T5081] ? _raw_spin_unlock_irqrestore+0x130/0x140 [ 56.192979][ T5081] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 56.199291][ T5081] ? print_report+0xe8/0x550 [ 56.203867][ T5081] check_panic_on_warn+0x86/0xb0 [ 56.208794][ T5081] ? __destroy_inode+0x479/0x650 [ 56.213732][ T5081] end_report+0x77/0x160 [ 56.217959][ T5081] kasan_report+0x154/0x180 [ 56.222446][ T5081] ? __destroy_inode+0x479/0x650 [ 56.227371][ T5081] kasan_check_range+0x282/0x290 [ 56.232292][ T5081] __destroy_inode+0x479/0x650 [ 56.237044][ T5081] evict+0x521/0x630 [ 56.240931][ T5081] evict_inodes+0x5f9/0x690 [ 56.245421][ T5081] ? __pfx_evict_inodes+0x10/0x10 [ 56.250429][ T5081] ? dput+0x37/0x2b0 [ 56.254315][ T5081] generic_shutdown_super+0x9d/0x2d0 [ 56.259589][ T5081] kill_block_super+0x44/0x90 [ 56.264250][ T5081] deactivate_locked_super+0xc4/0x130 [ 56.269613][ T5081] cleanup_mnt+0x41f/0x4b0 [ 56.274015][ T5081] ? lockdep_hardirqs_on+0x99/0x150 [ 56.279201][ T5081] task_work_run+0x24f/0x310 [ 56.283784][ T5081] ? __pfx_task_work_run+0x10/0x10 [ 56.288886][ T5081] ? do_exit+0xa22/0x27e0 [ 56.293203][ T5081] ? kmem_cache_free+0x145/0x350 [ 56.298170][ T5081] do_exit+0xa27/0x27e0 [ 56.302328][ T5081] ? __pfx_do_exit+0x10/0x10 [ 56.306909][ T5081] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 56.312873][ T5081] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 56.319186][ T5081] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.324372][ T5081] ? lockdep_hardirqs_on+0x99/0x150 [ 56.329574][ T5081] do_group_exit+0x207/0x2c0 [ 56.334151][ T5081] __x64_sys_exit_group+0x3f/0x40 [ 56.339162][ T5081] do_syscall_64+0xf3/0x230 [ 56.343654][ T5081] ? clear_bhb_loop+0x35/0x90 [ 56.348318][ T5081] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 56.354199][ T5081] RIP: 0033:0x7f2154fae349 [ 56.358613][ T5081] Code: Unable to access opcode bytes at 0x7f2154fae31f. [ 56.365611][ T5081] RSP: 002b:00007ffea1369798 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 56.374009][ T5081] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2154fae349 [ 56.381964][ T5081] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 56.389918][ T5081] RBP: 00007f2155030370 R08: ffffffffffffffb8 R09: 0000000000000000 [ 56.397874][ T5081] R10: 0000000000000100 R11: 0000000000000246 R12: 00007f2155030370 [ 56.405831][ T5081] R13: 0000000000000000 R14: 00007f21550310e0 R15: 00007f2154f7c2f0 [ 56.413816][ T5081] [ 56.417051][ T5081] Kernel Offset: disabled [ 56.421385][ T5081] Rebooting in 86400 seconds..