./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor112547490 <...> Warning: Permanently added '10.128.1.227' (ED25519) to the list of known hosts. execve("./syz-executor112547490", ["./syz-executor112547490"], 0x7ffd54e413d0 /* 10 vars */) = 0 brk(NULL) = 0x555570ae2000 brk(0x555570ae2d00) = 0x555570ae2d00 arch_prctl(ARCH_SET_FS, 0x555570ae2380) = 0 set_tid_address(0x555570ae2650) = 5840 set_robust_list(0x555570ae2660, 24) = 0 rseq(0x555570ae2ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor112547490", 4096) = 27 getrandom("\x12\x86\x0a\x3f\x60\x1f\xc9\xc9", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555570ae2d00 brk(0x555570b03d00) = 0x555570b03d00 brk(0x555570b04000) = 0x555570b04000 mprotect(0x7fe4a7a5c000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 mkdir("./syzkaller.lsAdXk", 0700) = 0 chmod("./syzkaller.lsAdXk", 0777) = 0 chdir("./syzkaller.lsAdXk") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5841 attached [pid 5841] set_robust_list(0x555570ae2660, 24 [pid 5840] <... clone resumed>, child_tidptr=0x555570ae2650) = 5841 [pid 5841] <... set_robust_list resumed>) = 0 [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5841] getppid() = 0 [pid 5841] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5841] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5841] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5841] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5841] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5841] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5841] unshare(CLONE_NEWNS) = 0 [pid 5841] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5841] unshare(CLONE_NEWIPC) = 0 [pid 5841] unshare(CLONE_NEWCGROUP) = 0 [pid 5841] unshare(CLONE_NEWUTS) = 0 [pid 5841] unshare(CLONE_SYSVSEM) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "16777216", 8) = 8 [pid 5841] close(3) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "536870912", 9) = 9 [pid 5841] close(3) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "1024", 4) = 4 [pid 5841] close(3) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "8192", 4) = 4 [pid 5841] close(3) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "1024", 4) = 4 [pid 5841] close(3) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "1024", 4) = 4 [pid 5841] close(3) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5841] close(3) = 0 [pid 5841] getpid() = 1 [pid 5841] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 5841] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, 0x555570ae36f0 /* 4 entries */, 32768) = 104 [pid 5841] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 5841] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0755, st_size=64, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 5841] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5841] newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=64, ...}, AT_EMPTY_PATH) = 0 [ 88.800673][ T5841] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 1 [ 88.800673][ T5841] [ 88.812930][ T5841] ERROR: (device loop0): remounting filesystem as read-only [ 88.821185][ T5841] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 3 [ 88.821185][ T5841] [ 88.832438][ T5841] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 4 [ 88.832438][ T5841] [pid 5841] getdents64(4, 0x555570aeb730 /* 4 entries */, 32768) = 112 [pid 5841] umount2("./0/bus/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 5841] newfstatat(AT_FDCWD, "./0/bus/file0", 0x7ffff0df2340, AT_SYMLINK_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 5841] exit_group(1) = ? [ 88.843705][ T5841] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 5 [ 88.843705][ T5841] [ 88.854956][ T5841] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 6 [ 88.854956][ T5841] [ 88.909960][ T5841] ================================================================== [ 88.918096][ T5841] BUG: KASAN: user-memory-access in __destroy_inode+0x496/0x670 [ 88.925775][ T5841] Write of size 4 at addr 0000000b00000000 by task syz-executor112/5841 [ 88.934132][ T5841] [ 88.936516][ T5841] CPU: 1 UID: 0 PID: 5841 Comm: syz-executor112 Not tainted 6.16.0-rc5-syzkaller #0 PREEMPT(full) [ 88.936542][ T5841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 88.936561][ T5841] Call Trace: [ 88.936573][ T5841] [ 88.936582][ T5841] dump_stack_lvl+0x189/0x250 [ 88.936608][ T5841] ? __pfx__printk+0x10/0x10 [ 88.936633][ T5841] ? __pfx_dump_stack_lvl+0x10/0x10 [ 88.936654][ T5841] ? __pfx__printk+0x10/0x10 [ 88.936680][ T5841] ? __destroy_inode+0x496/0x670 [ 88.936717][ T5841] ? __destroy_inode+0x496/0x670 [ 88.936744][ T5841] kasan_report+0x118/0x150 [ 88.936774][ T5841] ? __destroy_inode+0x496/0x670 [ 88.936806][ T5841] kasan_check_range+0x2b0/0x2c0 [ 88.936837][ T5841] __destroy_inode+0x496/0x670 [ 88.936868][ T5841] evict+0x797/0x9c0 [ 88.936895][ T5841] ? __pfx_evict+0x10/0x10 [ 88.936922][ T5841] ? do_raw_spin_unlock+0x122/0x240 [ 88.936951][ T5841] evict_inodes+0x636/0x6c0 [ 88.936971][ T5841] ? __pfx_evict_inodes+0x10/0x10 [ 88.936993][ T5841] generic_shutdown_super+0x9a/0x2c0 [ 88.937019][ T5841] kill_block_super+0x44/0x90 [ 88.937047][ T5841] deactivate_locked_super+0xb9/0x130 [ 88.937070][ T5841] cleanup_mnt+0x425/0x4c0 [ 88.937092][ T5841] ? lockdep_hardirqs_on+0x9c/0x150 [ 88.937130][ T5841] task_work_run+0x1d4/0x260 [ 88.937159][ T5841] ? __pfx_task_work_run+0x10/0x10 [ 88.937188][ T5841] ? kmem_cache_free+0x18f/0x400 [ 88.937218][ T5841] do_exit+0x6b5/0x22e0 [ 88.937247][ T5841] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 88.937274][ T5841] ? __pfx_do_exit+0x10/0x10 [ 88.937305][ T5841] ? _raw_spin_unlock_irq+0x23/0x50 [ 88.937331][ T5841] ? lockdep_hardirqs_on+0x9c/0x150 [ 88.937361][ T5841] do_group_exit+0x21c/0x2d0 [ 88.937390][ T5841] __x64_sys_exit_group+0x3f/0x40 [ 88.937417][ T5841] x64_sys_call+0x21ba/0x21c0 [ 88.937441][ T5841] do_syscall_64+0xfa/0x3b0 [ 88.937456][ T5841] ? lockdep_hardirqs_on+0x9c/0x150 [ 88.937484][ T5841] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.937504][ T5841] ? clear_bhb_loop+0x60/0xb0 [ 88.937526][ T5841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.937545][ T5841] RIP: 0033:0x7fe4a79e06c9 [ 88.937568][ T5841] Code: Unable to access opcode bytes at 0x7fe4a79e069f. [ 88.937578][ T5841] RSP: 002b:00007ffff0df22b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 88.937599][ T5841] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe4a79e06c9 [ 88.937613][ T5841] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 88.937625][ T5841] RBP: 00007fe4a7a62370 R08: ffffffffffffffb8 R09: 0000000000000000 [ 88.937638][ T5841] R10: 0000000000000100 R11: 0000000000000246 R12: 00007fe4a7a62370 [ 88.937651][ T5841] R13: 0000000000000000 R14: 00007fe4a7a630e0 R15: 00007fe4a79ae670 [ 88.937673][ T5841] [ 88.937680][ T5841] ================================================================== [ 89.211443][ T5841] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 89.218683][ T5841] CPU: 1 UID: 0 PID: 5841 Comm: syz-executor112 Not tainted 6.16.0-rc5-syzkaller #0 PREEMPT(full) [ 89.229391][ T5841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 89.239451][ T5841] Call Trace: [ 89.242737][ T5841] [ 89.245680][ T5841] dump_stack_lvl+0x99/0x250 [ 89.250285][ T5841] ? __asan_memcpy+0x40/0x70 [ 89.254884][ T5841] ? __pfx_dump_stack_lvl+0x10/0x10 [ 89.260092][ T5841] ? __pfx__printk+0x10/0x10 [ 89.264717][ T5841] panic+0x2db/0x790 [ 89.268637][ T5841] ? __pfx_panic+0x10/0x10 [ 89.273076][ T5841] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 89.278994][ T5841] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 89.285348][ T5841] ? __destroy_inode+0x496/0x670 [ 89.290292][ T5841] check_panic_on_warn+0x89/0xb0 [ 89.295332][ T5841] ? __destroy_inode+0x496/0x670 [ 89.300281][ T5841] end_report+0x78/0x160 [ 89.304540][ T5841] kasan_report+0x129/0x150 [ 89.309058][ T5841] ? __destroy_inode+0x496/0x670 [ 89.314015][ T5841] kasan_check_range+0x2b0/0x2c0 [ 89.318973][ T5841] __destroy_inode+0x496/0x670 [ 89.323754][ T5841] evict+0x797/0x9c0 [ 89.327665][ T5841] ? __pfx_evict+0x10/0x10 [ 89.332105][ T5841] ? do_raw_spin_unlock+0x122/0x240 [ 89.337314][ T5841] evict_inodes+0x636/0x6c0 [ 89.341829][ T5841] ? __pfx_evict_inodes+0x10/0x10 [ 89.346884][ T5841] generic_shutdown_super+0x9a/0x2c0 [ 89.352181][ T5841] kill_block_super+0x44/0x90 [ 89.356874][ T5841] deactivate_locked_super+0xb9/0x130 [ 89.362260][ T5841] cleanup_mnt+0x425/0x4c0 [ 89.366689][ T5841] ? lockdep_hardirqs_on+0x9c/0x150 [ 89.372014][ T5841] task_work_run+0x1d4/0x260 [ 89.376622][ T5841] ? __pfx_task_work_run+0x10/0x10 [ 89.381752][ T5841] ? kmem_cache_free+0x18f/0x400 [ 89.386706][ T5841] do_exit+0x6b5/0x22e0 [ 89.390880][ T5841] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 89.396264][ T5841] ? __pfx_do_exit+0x10/0x10 [ 89.400866][ T5841] ? _raw_spin_unlock_irq+0x23/0x50 [ 89.406072][ T5841] ? lockdep_hardirqs_on+0x9c/0x150 [ 89.411281][ T5841] do_group_exit+0x21c/0x2d0 [ 89.415885][ T5841] __x64_sys_exit_group+0x3f/0x40 [ 89.420916][ T5841] x64_sys_call+0x21ba/0x21c0 [ 89.425600][ T5841] do_syscall_64+0xfa/0x3b0 [ 89.430113][ T5841] ? lockdep_hardirqs_on+0x9c/0x150 [ 89.435311][ T5841] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.441376][ T5841] ? clear_bhb_loop+0x60/0xb0 [ 89.446055][ T5841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.451950][ T5841] RIP: 0033:0x7fe4a79e06c9 [ 89.456365][ T5841] Code: Unable to access opcode bytes at 0x7fe4a79e069f. [ 89.463386][ T5841] RSP: 002b:00007ffff0df22b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 89.471810][ T5841] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe4a79e06c9 [ 89.479800][ T5841] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 89.487782][ T5841] RBP: 00007fe4a7a62370 R08: ffffffffffffffb8 R09: 0000000000000000 [ 89.495758][ T5841] R10: 0000000000000100 R11: 0000000000000246 R12: 00007fe4a7a62370 [ 89.503736][ T5841] R13: 0000000000000000 R14: 00007fe4a7a630e0 R15: 00007fe4a79ae670 [ 89.511716][ T5841] [ 89.515110][ T5841] Kernel Offset: disabled [ 89.519463][ T5841] Rebooting in 86400 seconds..