./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2185586448 <...> Warning: Permanently added '10.128.0.133' (ED25519) to the list of known hosts. execve("./syz-executor2185586448", ["./syz-executor2185586448"], 0x7ffe8c7dfb20 /* 10 vars */) = 0 brk(NULL) = 0x555574a10000 brk(0x555574a10d00) = 0x555574a10d00 arch_prctl(ARCH_SET_FS, 0x555574a10380) = 0 set_tid_address(0x555574a10650) = 5838 set_robust_list(0x555574a10660, 24) = 0 rseq(0x555574a10ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2185586448", 4096) = 28 getrandom("\x66\x3c\xc3\xfe\x95\xc2\x17\x7c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555574a10d00 brk(0x555574a31d00) = 0x555574a31d00 brk(0x555574a32000) = 0x555574a32000 mprotect(0x7f33a9b19000, 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.ezEiOl", 0700) = 0 chmod("./syzkaller.ezEiOl", 0777) = 0 chdir("./syzkaller.ezEiOl") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5839 attached [pid 5839] set_robust_list(0x555574a10660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x555574a10650) = 5839 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5839] getppid() = 0 [pid 5839] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5839] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5839] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5839] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5839] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5839] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5839] unshare(CLONE_NEWNS) = 0 [pid 5839] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5839] unshare(CLONE_NEWIPC) = 0 [pid 5839] unshare(CLONE_NEWCGROUP) = 0 [pid 5839] unshare(CLONE_NEWUTS) = 0 [pid 5839] unshare(CLONE_SYSVSEM) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "16777216", 8) = 8 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "536870912", 9) = 9 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1024", 4) = 4 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "8192", 4) = 4 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1024", 4) = 4 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1024", 4) = 4 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5839] close(3) = 0 [pid 5839] getpid() = 1 [pid 5839] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 5839] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x555574a116f0 /* 4 entries */, 32768) = 104 [pid 5839] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 5839] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0755, st_size=64, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 5839] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5839] newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=64, ...}, AT_EMPTY_PATH) = 0 [ 88.709130][ T5839] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 1 [ 88.709130][ T5839] [ 88.721364][ T5839] ERROR: (device loop0): remounting filesystem as read-only [ 88.728832][ T5839] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 3 [ 88.728832][ T5839] [ 88.740077][ T5839] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 4 [ 88.740077][ T5839] [pid 5839] getdents64(4, 0x555574a19730 /* 4 entries */, 32768) = 112 [pid 5839] umount2("./0/bus/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 5839] newfstatat(AT_FDCWD, "./0/bus/file0", 0x7ffd72618e50, AT_SYMLINK_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 5839] exit_group(1) = ? [ 88.751333][ T5839] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 5 [ 88.751333][ T5839] [ 88.762568][ T5839] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 6 [ 88.762568][ T5839] [ 88.815984][ T5839] ================================================================== [ 88.824138][ T5839] BUG: KASAN: user-memory-access in __destroy_inode+0x496/0x670 [ 88.831831][ T5839] Write of size 4 at addr 0000000b00000000 by task syz-executor218/5839 [ 88.840185][ T5839] [ 88.842536][ T5839] CPU: 1 UID: 0 PID: 5839 Comm: syz-executor218 Not tainted 6.16.0-rc5-syzkaller #0 PREEMPT(full) [ 88.842559][ T5839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 88.842570][ T5839] Call Trace: [ 88.842578][ T5839] [ 88.842587][ T5839] dump_stack_lvl+0x189/0x250 [ 88.842610][ T5839] ? __pfx__printk+0x10/0x10 [ 88.842632][ T5839] ? __pfx_dump_stack_lvl+0x10/0x10 [ 88.842659][ T5839] ? __pfx__printk+0x10/0x10 [ 88.842683][ T5839] ? __destroy_inode+0x496/0x670 [ 88.842710][ T5839] ? __destroy_inode+0x496/0x670 [ 88.842733][ T5839] kasan_report+0x118/0x150 [ 88.842757][ T5839] ? __destroy_inode+0x496/0x670 [ 88.842783][ T5839] kasan_check_range+0x2b0/0x2c0 [ 88.842820][ T5839] __destroy_inode+0x496/0x670 [ 88.842847][ T5839] evict+0x797/0x9c0 [ 88.842871][ T5839] ? __pfx_evict+0x10/0x10 [ 88.842894][ T5839] ? do_raw_spin_unlock+0x122/0x240 [ 88.842918][ T5839] evict_inodes+0x636/0x6c0 [ 88.842937][ T5839] ? __pfx_evict_inodes+0x10/0x10 [ 88.842957][ T5839] generic_shutdown_super+0x9a/0x2c0 [ 88.842981][ T5839] kill_block_super+0x44/0x90 [ 88.843005][ T5839] deactivate_locked_super+0xb9/0x130 [ 88.843026][ T5839] cleanup_mnt+0x425/0x4c0 [ 88.843047][ T5839] ? lockdep_hardirqs_on+0x9c/0x150 [ 88.843091][ T5839] task_work_run+0x1d4/0x260 [ 88.843117][ T5839] ? __pfx_task_work_run+0x10/0x10 [ 88.843142][ T5839] ? kmem_cache_free+0x18f/0x400 [ 88.843168][ T5839] do_exit+0x6b5/0x22e0 [ 88.843192][ T5839] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 88.843216][ T5839] ? __pfx_do_exit+0x10/0x10 [ 88.843242][ T5839] ? _raw_spin_unlock_irq+0x23/0x50 [ 88.843266][ T5839] ? lockdep_hardirqs_on+0x9c/0x150 [ 88.843292][ T5839] do_group_exit+0x21c/0x2d0 [ 88.843318][ T5839] __x64_sys_exit_group+0x3f/0x40 [ 88.843350][ T5839] x64_sys_call+0x21ba/0x21c0 [ 88.843372][ T5839] do_syscall_64+0xfa/0x3b0 [ 88.843388][ T5839] ? lockdep_hardirqs_on+0x9c/0x150 [ 88.843412][ T5839] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.843430][ T5839] ? clear_bhb_loop+0x60/0xb0 [ 88.843449][ T5839] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.843466][ T5839] RIP: 0033:0x7f33a9a9d6c9 [ 88.843483][ T5839] Code: Unable to access opcode bytes at 0x7f33a9a9d69f. [ 88.843492][ T5839] RSP: 002b:00007ffd72618dc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 88.843512][ T5839] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f33a9a9d6c9 [ 88.843525][ T5839] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 88.843535][ T5839] RBP: 00007f33a9b1f370 R08: ffffffffffffffb8 R09: 0000000000000000 [ 88.843547][ T5839] R10: 0000000000000100 R11: 0000000000000246 R12: 00007f33a9b1f370 [ 88.843559][ T5839] R13: 0000000000000000 R14: 00007f33a9b200e0 R15: 00007f33a9a6b670 [ 88.843578][ T5839] [ 88.843585][ T5839] ================================================================== [ 89.119951][ T5839] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 89.127207][ T5839] CPU: 0 UID: 0 PID: 5839 Comm: syz-executor218 Not tainted 6.16.0-rc5-syzkaller #0 PREEMPT(full) [ 89.137917][ T5839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 89.147989][ T5839] Call Trace: [ 89.151264][ T5839] [ 89.154191][ T5839] dump_stack_lvl+0x99/0x250 [ 89.158777][ T5839] ? __asan_memcpy+0x40/0x70 [ 89.163365][ T5839] ? __pfx_dump_stack_lvl+0x10/0x10 [ 89.168553][ T5839] ? __pfx__printk+0x10/0x10 [ 89.173161][ T5839] panic+0x2db/0x790 [ 89.177067][ T5839] ? __pfx_panic+0x10/0x10 [ 89.181483][ T5839] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 89.187374][ T5839] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 89.193701][ T5839] ? __destroy_inode+0x496/0x670 [ 89.198637][ T5839] check_panic_on_warn+0x89/0xb0 [ 89.203585][ T5839] ? __destroy_inode+0x496/0x670 [ 89.208548][ T5839] end_report+0x78/0x160 [ 89.212824][ T5839] kasan_report+0x129/0x150 [ 89.217359][ T5839] ? __destroy_inode+0x496/0x670 [ 89.222305][ T5839] kasan_check_range+0x2b0/0x2c0 [ 89.227250][ T5839] __destroy_inode+0x496/0x670 [ 89.232014][ T5839] evict+0x797/0x9c0 [ 89.235910][ T5839] ? __pfx_evict+0x10/0x10 [ 89.240348][ T5839] ? do_raw_spin_unlock+0x122/0x240 [ 89.245547][ T5839] evict_inodes+0x636/0x6c0 [ 89.250043][ T5839] ? __pfx_evict_inodes+0x10/0x10 [ 89.255062][ T5839] generic_shutdown_super+0x9a/0x2c0 [ 89.260342][ T5839] kill_block_super+0x44/0x90 [ 89.265017][ T5839] deactivate_locked_super+0xb9/0x130 [ 89.270387][ T5839] cleanup_mnt+0x425/0x4c0 [ 89.274811][ T5839] ? lockdep_hardirqs_on+0x9c/0x150 [ 89.280090][ T5839] task_work_run+0x1d4/0x260 [ 89.284695][ T5839] ? __pfx_task_work_run+0x10/0x10 [ 89.289801][ T5839] ? kmem_cache_free+0x18f/0x400 [ 89.294734][ T5839] do_exit+0x6b5/0x22e0 [ 89.298891][ T5839] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 89.304268][ T5839] ? __pfx_do_exit+0x10/0x10 [ 89.308871][ T5839] ? _raw_spin_unlock_irq+0x23/0x50 [ 89.314066][ T5839] ? lockdep_hardirqs_on+0x9c/0x150 [ 89.319260][ T5839] do_group_exit+0x21c/0x2d0 [ 89.323845][ T5839] __x64_sys_exit_group+0x3f/0x40 [ 89.328866][ T5839] x64_sys_call+0x21ba/0x21c0 [ 89.333540][ T5839] do_syscall_64+0xfa/0x3b0 [ 89.338033][ T5839] ? lockdep_hardirqs_on+0x9c/0x150 [ 89.343242][ T5839] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.349299][ T5839] ? clear_bhb_loop+0x60/0xb0 [ 89.353989][ T5839] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.359873][ T5839] RIP: 0033:0x7f33a9a9d6c9 [ 89.364286][ T5839] Code: Unable to access opcode bytes at 0x7f33a9a9d69f. [ 89.371292][ T5839] RSP: 002b:00007ffd72618dc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 89.379703][ T5839] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f33a9a9d6c9 [ 89.388103][ T5839] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 89.396070][ T5839] RBP: 00007f33a9b1f370 R08: ffffffffffffffb8 R09: 0000000000000000 [ 89.404033][ T5839] R10: 0000000000000100 R11: 0000000000000246 R12: 00007f33a9b1f370 [ 89.411997][ T5839] R13: 0000000000000000 R14: 00007f33a9b200e0 R15: 00007f33a9a6b670 [ 89.419967][ T5839] [ 89.423260][ T5839] Kernel Offset: disabled [ 89.427580][ T5839] Rebooting in 86400 seconds..